Add discord announcements for new releases

Author: loopj

.github/workflows/announce.yml

@@ -0,0 +1,17 @@
+name: Announce Releases
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  github-releases-to-discord:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Github Releases To Discord
+        uses: SethCohen/[email protected]
+        with:
+          webhook_url: ${{ secrets.WEBHOOK_URL }}
+          username: "Release Changelog"