improve workflows, and add a deploy workflow

.github/workflows/deploy.yml

@@ -0,0 +1,28 @@
+name: "Deploy"
+
+on:
+  push:
+    tags:
+      - "v*"
+
+permissions:
+  contents: "write"
+
+jobs:
+  build-and-deploy:
+    concurrency: "ci-${{ github.ref }}" # Recommended if you intend to make multiple deployments in quick succession.
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: "actions/download-artifact@v4"
+        with:
+          name: "frontend"
+          path: "./public"
+      - uses: "actions/download-artifact@v4"
+        with:
+          name: "logo"
+          path: "./public"
+      - run: "ls -l -R ./public"
+      - uses: "JamesIves/github-pages-deploy-action@v4"
+        with:
+          folder: "public"
+