Added the release script to copy the docs as README.md for each task

hack/release.sh

@@ -0,0 +1,70 @@
+#!/usr/bin/env bash
+#
+# Renders and copies documentation files into the informed RELEASE_DIR, the script search for
+# task templates on a specific glob expression. The templates are rendered using the actual
+# task name and documentation is searched for and copied over to the task release directory.
+#
+
+shopt -s inherit_errexit
+set -eu -o pipefail
+
+readonly RELEASE_DIR="${1:-}"
+
+# Print error message and exit non-successfully.
+panic() {
+    echo "# ERROR: ${*}"
+    exit 1
+}
+
+# Extracts the filename only, without path or extension.
+extract_name() {
+    declare filename=$(basename -- "${1}")
+    declare extension="${filename##*.}"
+    echo "${filename%.*}"
+}
+
+# Finds the respective documentation for the task name
+find_doc() {
+    declare task_name="${1}"
+    find docs/ -name "${task_name}*.md"
+}
+
+#
+# Main
+#
+
+release() {
+    # making sure the release directory exists, this script should only create releative
+    # directories using it as root
+    [[ ! -d "${RELEASE_DIR}" ]] &&
+        panic "Release dir is not found '${RELEASE_DIR}'!"
+
+    # releasing all task templates using the following glob expression
+    for t in $(ls -1 templates/task-*.yaml); do
+        declare task_name=$(extract_name ${t})
+        [[ -z "${task_name}" ]] &&
+            panic "Unable to extract Task name from '${t}'!"
+
+        declare task_doc="$(find_doc ${task_name})"
+        [[ -z "${task_doc}" ]] &&
+            panic "Unable to find documentation file for '${task_name}'!"
+
+        declare task_dir="${RELEASE_DIR}/tasks/${task_name}"
+        [[ ! -d "${task_dir}" ]] &&
+            mkdir -p "${task_dir}"
+
+        # rendering the helm template for the specific file, using the resource name for the
+        # filename respectively
+        echo "# Rendering '${task_name}' at '${task_dir}'..."
+        helm template --show-only=${t} . >${task_dir}/${task_name}.yaml ||
+            panic "Unable to render '${t}'!"
+
+        # finds the respective documentation file copying as "README.md", on the same
+        # directory where the respective task is located
+        echo "# Copying '${task_name}' documentation file '${task_doc}'..."
+        cp -v -f ${task_doc} "${task_dir}/README.md" ||
+            panic "Unable to copy '${task_doc}' into '${task_dir}'"
+    done
+}
+
+release