Added workflow

.github/workflows/go-templ.yml

@@ -0,0 +1,31 @@
+# SPDX-FileCopyrightText: 2024 Risk.Ident GmbH <[email protected]>
+#
+# SPDX-License-Identifier: CC0-1.0
+
+name: templ
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  templ:
+    runs-on: ubuntu-latest
+    name: Run templ generate
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+
+      - name: Install templ
+        run: go install github.com/a-h/templ/cmd/templ@latest
+
+      - name: Run templ
+        run: templ generate
+
+      - name: Fail on git diff
+        run: git diff --exit-code