Deploy website once a month to keep things current (#71)

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Author: norwd

.github/workflows/deploy.yml

@@ -2,10 +2,15 @@ name: "Deploy GitHub Pages"
 run-name: "Deploy GitHub Pages"
 
 on:
-  workflow_dispatch:
+
+  schedule:
+    - cron: '0 0 1 * *'
+
   push:
     branches: [main]
 
+  workflow_dispatch:
+
 permissions:
   contents: read
   pages: write