Add golangci-lint installation step to CI workflow for improved code quality checks

Author: lemon07r

.github/workflows/ci.yml

@@ -18,6 +18,11 @@ jobs:
       with:
         go-version: '1.21'
 
+    - name: Install golangci-lint
+      run: |
+        curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v2.6.1
+        echo "$(go env GOPATH)/bin" >> $GITHUB_PATH
+
     - name: Run tests and checks
       run: make test