Add web secretapi CI workflow

.gitea/workflows/check.yml

@@ -0,0 +1,19 @@
+name: check
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+jobs:
+  secretapi:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: backend/secretapi/go.mod
+      - name: Test secretapi
+        run: |
+          cd backend/secretapi
+          go test ./...