add swagger support

- install swaggo
- add swagger config option

.github/workflows/golangci-lint.yml

@@ -31,6 +31,13 @@ jobs:
         run: |
           make -s version | tr -d '\n' > VERSION
         shell: sh
+
+      - name: Install and initialize swagger
+        run: |
+          go install github.com/swaggo/swag/cmd/swag@latest
+          swag init
+        shell: sh
+
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v4
         with: