feat: adds release workflow, improves deployment workflow ensuring it…

… run only on main branch

.github/workflows/deploy.yml

@@ -2,6 +2,8 @@ name: Deploy to DigitalOcean
 
 on:
   push:
+    branches:
+      - main
     tags:
       - '*'
 

.github/workflows/release.yml

@@ -0,0 +1,25 @@
+name: Release
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - v*
+
+jobs:
+  release:
+    name: Create Release on Tag
+    runs-on: ubuntu-22.04
+    permissions:
+      contents: write
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Create release
+        uses: ncipollo/release-action@v1
+        with:
+          body: "For changes in this release, see the changelog:"
+          generateReleaseNotes: true