feat:#22 added golang lint job

.gitlab-ci.yml

@@ -15,6 +15,16 @@ lint-frontend:
     - npm i
     - npm run lint-no-fix
 
+lint-backend:
+  stage: lint
+  image: golangci/golangci-lint:latest
+  rules:
+    - changes:
+        - backend/**/*
+  script:
+    - golangci-lint run -v
+
+
 build-backend:
   image: golang:1.21-alpine
   stage: build