change favicons and intro text

themes/hallo/layouts/partials/introduction.html

@@ -1 +1,2 @@
-Hallo is a single-page Hugo theme to introduce yourself. Add a portrait, an introduction, several links, and you're set. Create a partial called introduction.html on your own site to replace this standard introduction. Create a file called portrait.jpg in static/images to replace the standard portrait.
+As a <b>Cyber Security</b> expert with <b>15 years+</b> of working experience in the IT & cyber security space I am specialized in <b>cloud security</b>, secure cloud transformation, <b>Zero Trust</b>, incident detection & response and <b>IT risk & threat management</b>.
+I have worked for the German Federal Office for Information Security, Bayer and Covestro and  graduated from Ruhr University Bochum (<b>M.Sc. IT Security</b>). I'm a tinkerer and <b>father of three</b>.

themes/hallo/static/browserconfig.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<browserconfig>
+    <msapplication>
+        <tile>
+            <square150x150logo src="/mstile-150x150.png"/>
+            <TileColor>#da532c</TileColor>
+        </tile>
+    </msapplication>
+</browserconfig>

themes/hallo/static/site.webmanifest

@@ -16,4 +16,4 @@
     "theme_color": "#ffffff",
     "background_color": "#ffffff",
     "display": "standalone"
-}
+}