ci: add dco-check (#81)

See: ruyisdk/ruyisdk#27

Signed-off-by: WANG Xuerui <[email protected]>

Author: xen0n

.github/workflows/pr.yml

@@ -0,0 +1,20 @@
+name: PR checks
+
+on:
+  pull_request:
+    branches:
+      - main
+      - zh
+
+jobs:
+  dco:
+    name: DCO compliance
+    runs-on: ubuntu-latest
+    steps:
+      - name: Run dco-check
+        uses: christophebedard/[email protected]
+        with:
+          python-version: '3.12'
+          args: '--verbose'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}