feat: deploy netlify frontend with github action (#470)

Author: Salvatore Mazzarino

.github/workflows/mainnet-frontend.yml

@@ -0,0 +1,27 @@
+name: '[Mainnet] Frontend'
+
+on:
+  push:
+    tags:
+      - 'frontend/v*'
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Get version from tag
+        id: git_tag
+        run: |
+          VERSION="${GITHUB_REF_NAME#frontend/-}"
+          echo "version=$VERSION" >> $GITHUB_OUTPUT
+
+      - name: Publish
+        uses: netlify/actions/cli@master
+        with:
+          args: deploy --build --context production --prod --message ${{ steps.get_tag.outputs.version }}
+        env:
+          NETLIFY_SITE_ID: ${{ secrets.NETLIFY_SITE_ID }}
+          NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}