Enhance security middleware and package dependencies

- Updated security headers configuration with stricter settings
- Modified rate limiting and helmet middleware setup
- Added TypeScript type definitions for Express, rate-limit, and Helmet
- Refined referrer policy and HSTS configuration
- Improved security middleware chain for better protection

package.json

@@ -28,8 +28,12 @@
   },
   "devDependencies": {
     "@types/ajv": "^0.0.5",
+    "@types/express": "^5.0.0",
+    "@types/express-rate-limit": "^5.1.3",
+    "@types/helmet": "^0.0.48",
     "@types/jest": "^28.1.8",
     "@types/node": "^20.17.10",
+    "@types/ws": "^8.5.14",
     "jest": "^28.1.3",
     "semver": "^6.3.1",
     "ts-jest": "^28.0.8",
@@ -38,4 +42,4 @@
   },
   "author": "Jango Blockchained",
   "license": "MIT"
-}
+}