chore: Add Swagger documentation generation to build workflow

- Included a step to generate Swagger documentation during the build process.
- This addition enhances API documentation and ensures it is up-to-date with the codebase.

.gitea/workflows/build.yml

@@ -26,6 +26,9 @@ jobs:
       - name: Download dependencies
         run: go mod download
 
+      - name: Generate Swagger docs
+        run: swag init -g cmd/server/main.go -o docs
+
       - name: Build
         env:
           GOOS: linux