Include supported-by-posit script (#957)

Author: jeroenjanssens

_pkgdown.yml

@@ -4,6 +4,10 @@ template:
   bootstrap: 5
   template: tidytemplate
 
+  includes:
+    in_header: |
+      <script src="https://cdn.jsdelivr.net/gh/posit-dev/supported-by-posit/js/badge.min.js" data-max-height="43" data-light-bg="#666f76" data-light-fg="#f9f9f9"></script>
+
 development:
   mode: auto
 
@@ -34,7 +38,7 @@ reference:
 
 articles:
 - title: Articles
-  navbar: ~
+  navbar:
   contents:
   - setup
   - benchmarks