Include supported-by-posit script (#594)

Author: jeroenjanssens

_pkgdown.yml

@@ -8,6 +8,7 @@ template:
   bootstrap: 5
   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="stringr.tidyverse.org,all.tidyverse.org" src="https://plausible.io/js/plausible.js"></script>
 
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