Include supported-by-posit script (#205)

Author: jeroenjanssens

_pkgdown.yml

@@ -9,9 +9,10 @@ template:
 
   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>
       <script defer data-domain="lifecycle.r-lib.org,all.tidyverse.org" src="https://plausible.io/js/plausible.js"></script>  
 
 news:
- releases:
- - text: "lifecycle 1.0.0"
-   href: https://www.tidyverse.org/blog/2021/02/lifecycle-1-0-0/
+  releases:
+  - text: "lifecycle 1.0.0"
+    href: https://www.tidyverse.org/blog/2021/02/lifecycle-1-0-0/