feat: add discord notifications

Author: Torwent

.github/workflows/notifications.yml

@@ -0,0 +1,24 @@
+name: Notifications
+on:
+  push:
+    branches: [main]
+
+jobs:
+  notification:
+    if: ${{ github.repository_owner == 'WaspScripts' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Discord notification
+        shell: bash
+        run: |
+          BODY=$(jq -nc \
+            --arg title "Website Update" \
+            --arg desc "${{ github.event.head_commit.message }}" \
+            --arg url  "https://github.com/WaspScripts/wasp-webapp/commit/${{ github.event.head_commit.id }}" \
+            --arg foot "Author: ${{ github.event.head_commit.author.name }}" \
+            --argjson color 16742912 \
+            '{embeds:[{title:$title,description:$desc,url:$url,color:$color,footer:{text:$foot}}]}')
+          curl \
+              -H "Content-Type: application/json" \
+              -d "$BODY" \
+              ${{ secrets.UPDATES_WEBHOOK }}