[#XX] Add action file

Signed-off-by: Ekaterina Lebedeva <elebedeva@noreply.frostfs.info>

.forgejo/workflows/dco.yml

@@ -0,0 +1,20 @@
+on: [pull_request]
+
+jobs:
+  dco:
+    name: DCO
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Setup Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: '1.20'
+
+      - name: Run commit format checker
+        uses: https://git.frostfs.info/TrueCloudLab/dco-go@master
+        with:
+          from: 406c2324