Update header.html

update url to new org

Author: adam-sandor

Diff for: docs/_includes/header.html

@@ -1,7 +1,7 @@
 <div class="header-strip {{ page.collection }} {{ page.name | split: "." | first }}">
   <div class="header navbar navbar-expand-lg">
     <div class="logo">
-       <a href="https://github.com/ContainerSolutions/java-operator-sdk/blob/master/README.md" target="_blank" rel="noopener noreferrer">
+       <a href="https://github.com/java-operator-sdk/java-operator-sdk" target="_blank" rel="noopener noreferrer">
       <img src="{{ site.baseurl }}/assets/images/GitHub-Mark-64px.png">
        <a href="https://discord.gg/DacEhAy" target="_blank" rel="noopener noreferrer">
       <img src="{{ site.baseurl }}/assets/images/discord.png">