feat: add configuration files and scripts for project setup ✨

🚀 Breaking Changes:
- Introduced new environment variables for GitLab API integration
- Added validation script for PR checks
- Updated package.json with new scripts for testing and formatting

📝 Details:
- Added .prettierrc and .eslintrc.json for code formatting and linting
- Created .env.example for environment variable setup
- Updated CHANGELOG.md with recent changes
- Added documentation for GitHub secrets setup

package.json

@@ -20,7 +20,13 @@
     "prepare": "npm run build",
     "watch": "tsc --watch",
     "deploy": "npm publish --access public",
-    "generate-tools": "npx ts-node scripts/generate-tools-readme.ts"
+    "generate-tools": "npx ts-node scripts/generate-tools-readme.ts",
+    "test": "node test/validate-api.js",
+    "test:integration": "node test/validate-api.js",
+    "lint": "eslint . --ext .ts",
+    "lint:fix": "eslint . --ext .ts --fix",
+    "format": "prettier --write \"**/*.{js,ts,json,md}\"",
+    "format:check": "prettier --check \"**/*.{js,ts,json,md}\""
   },
   "dependencies": {
     "@modelcontextprotocol/sdk": "1.8.0",
@@ -35,6 +41,11 @@
   "devDependencies": {
     "@types/node": "^22.13.10",
     "typescript": "^5.8.2",
-    "zod": "^3.24.2"
+    "zod": "^3.24.2",
+    "@typescript-eslint/eslint-plugin": "^8.21.0",
+    "@typescript-eslint/parser": "^8.21.0",
+    "eslint": "^9.18.0",
+    "prettier": "^3.4.2",
+    "ts-node": "^10.9.2"
   }
 }