schedule daily netlify builds

this will make it possible to schedule posts for future publish dates

.github/workflows/daily_build.yml

@@ -0,0 +1,14 @@
+name: Daily build
+ 
+on:
+  schedule:
+    - cron: "0 13 * * *"
+ 
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Trigger build webhook on Netlify
+        run: curl -s -X POST "https://api.netlify.com/build_hooks/${TOKEN}"
+        env:
+          TOKEN: ${{ secrets.NETLIFY_CRON_BUILD_HOOK }}