diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index 46e037b5d..40ddece27 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -1,3 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
 on:
   push:
     branches:
diff --git a/docs/source/_static/images/original.svg b/docs/source/_static/images/original.svg
index 6ba0ece99..4b4f141a1 100644
--- a/docs/source/_static/images/original.svg
+++ b/docs/source/_static/images/original.svg
@@ -1,3 +1,21 @@
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
 <svg width="801" height="168" viewBox="0 0 801 168" fill="none" xmlns="http://www.w3.org/2000/svg">
 <g clip-path="url(#clip0_1_181)">
 <path fill-rule="evenodd" clip-rule="evenodd" d="M76.1297 168C88.4597 168 99.6097 158.25 107.58 142.55C127.23 144.6 143.09 139.99 149.76 128.51C156.29 117.25 152.65 101.68 141.58 86.09C152.36 70.67 155.85 55.32 149.39 44.19C143.01 33.19 128.19 28.5 109.69 29.92C101.65 11.62 89.5997 0 76.1297 0C62.6597 0 50.4997 11.73 42.4497 30.18C24.3497 28.97 9.87966 33.68 3.59966 44.51C-2.81034 55.56 0.589656 70.78 11.1897 86.09C0.299656 101.57 -3.24034 117.01 3.23966 128.18C9.80966 139.5 25.3097 144.13 44.5597 142.31C52.5397 158.15 63.7297 168 76.1297 168ZM52.7197 141.19C59.5097 154.21 68.6197 162.18 78.6397 162.18C88.6597 162.18 97.6397 154.63 104.76 142.22C95.7497 141.01 86.0297 138.46 76.0797 134.58C68.0497 137.65 60.1797 139.86 52.7197 141.19ZM65.0697 129.77C59.6397 131.52 54.3497 132.84 49.3097 133.72C47.3697 128.87 45.6997 123.54 44.3597 117.82C47.6797 120.07 51.1497 122.25 54.7497 124.32C58.1797 126.29 61.6197 128.11 65.0597 129.77H65.0697ZM76.1197 125.68C82.0597 123.2 88.0897 120.24 94.0797 116.79C102.76 111.8 110.61 106.25 117.41 100.43C118.01 95.13 118.33 89.64 118.33 84C118.33 76.79 117.81 69.8 116.84 63.17C111.11 58.53 104.73 54.12 97.7797 50.13C90.5497 45.98 83.2397 42.57 76.0697 39.91C69.1797 42.52 62.1597 45.82 55.2197 49.81C50.8597 52.32 46.7097 54.99 42.8197 57.78C41.3997 65.98 40.6297 74.8 40.6297 84C40.6297 91.65 41.1597 99.05 42.1597 106.04C47.2997 109.94 52.9197 113.66 58.9297 117.12C64.6597 120.41 70.4297 123.27 76.1197 125.68ZM87.1297 129.83C90.8397 128.07 94.5497 126.12 98.2497 124C104.42 120.45 110.18 116.61 115.48 112.58C113.79 120.73 111.42 128.22 108.52 134.76C101.82 133.95 94.6097 132.3 87.1297 129.83ZM117.71 110.84C116.16 119.65 113.87 127.8 110.98 135.03C127.49 136.56 140.52 132.79 145.95 123.44C151.17 114.43 148.57 101.58 140 88.28C134.26 96.01 126.71 103.7 117.71 110.84ZM136.56 79.61C145.46 66.59 148.33 53.99 143.08 44.93C137.99 36.16 126.02 31.96 110.76 32.43C114.3 41.14 116.97 51.23 118.5 62.2C125.46 67.76 131.53 73.64 136.55 79.61H136.56ZM108.21 32.55C111.86 40.6 114.7 50.11 116.43 60.57C110.98 56.37 105.01 52.37 98.6097 48.69C91.9597 44.87 85.2397 41.62 78.6197 38.96C89.0597 35.24 99.1497 33.11 108.2 32.54L108.21 32.55ZM107.08 30.16C97.4397 31.18 86.8897 33.79 76.0797 37.98C67.2997 34.65 58.7097 32.35 50.6497 31.1C57.5997 15.56 67.5697 5.83 78.6397 5.83C89.7097 5.83 99.7197 15.18 107.08 30.16ZM73.5197 38.99C65.2297 36.1 57.1697 34.21 49.6897 33.32C46.9897 39.84 44.7997 47.28 43.2497 55.38C46.7897 52.94 50.4997 50.6 54.3797 48.37C60.7497 44.71 67.1697 41.58 73.5197 38.99ZM33.7197 62.5C35.2297 51.54 37.8697 41.46 41.3797 32.74C26.5297 32.46 14.9097 36.66 9.91966 45.26C4.70966 54.24 7.48966 66.68 16.1997 79.58C21.0897 73.73 26.9797 67.96 33.7197 62.5ZM12.7697 88.3C18.3697 95.9 25.7197 103.48 34.4997 110.54C36.0297 119.36 38.3097 127.53 41.1797 134.78C25.0597 136.11 12.3797 132.31 7.03966 123.12C1.85966 114.19 4.36966 101.48 12.7597 88.31L12.7697 88.3ZM17.5697 81.54C21.9097 75.99 27.2197 70.45 33.3797 65.17C32.6597 71.22 32.2697 77.53 32.2697 84C32.2697 88.91 32.4897 93.72 32.9097 98.4C26.7997 92.89 21.6197 87.18 17.5597 81.53L17.5697 81.54ZM135.19 81.55C131 87.32 125.65 93.15 119.32 98.76C119.76 93.97 120 89.03 120 84C120 77.41 119.6 70.99 118.85 64.84C125.22 70.21 130.72 75.87 135.19 81.55Z" fill="url(#paint0_linear_1_181)"/>
diff --git a/docs/source/_templates/docs-sidebar.html b/docs/source/_templates/docs-sidebar.html
index 7c3ecc3d8..b3281294e 100644
--- a/docs/source/_templates/docs-sidebar.html
+++ b/docs/source/_templates/docs-sidebar.html
@@ -1,4 +1,21 @@
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
 
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
 
 <form class="bd-search d-flex align-items-center" action="{{ pathto('search') }}" method="get">
   <i class="icon fas fa-search"></i>
diff --git a/docs/source/_templates/layout.html b/docs/source/_templates/layout.html
index d3163f1a8..4c7f8c4e2 100644
--- a/docs/source/_templates/layout.html
+++ b/docs/source/_templates/layout.html
@@ -1,3 +1,22 @@
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
 {% extends "pydata_sphinx_theme/layout.html" %}
 
 {# Silence the navbar #}