add pr workflow

.forgejo/workflows/pr.yml

@@ -0,0 +1,22 @@
+name: pr
+
+on:
+  pull_request:
+
+env:
+  CONTENT: "something from https://code.forgejo.org/forgejo/action-website-preview"
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: https://code.forgejo.org/actions/setup-go@v4
+        with:
+          go-version: ">=1.21"
+          check-latest: true
+      - name: update a record
+        uses: ./
+        with:
+          subdomain: /tmp/website
+      # TODO: verify it runned