feat(routing): Implement unified routing and matching system

- Introduced a centralized routing module with comprehensive matchers for domains, headers, IPs, and paths.
- Added DomainMatcher for domain pattern matching with support for wildcards and specificity calculation.
- Implemented HeaderMatcher for HTTP header matching, including exact matches and pattern support.
- Developed IpMatcher for IP address matching, supporting CIDR notation, ranges, and wildcards.
- Created PathMatcher for path matching with parameter extraction and wildcard support.
- Established RouteSpecificity class to calculate and compare route specificity scores.
- Enhanced HttpRouter to utilize the new matching system, supporting both modern and legacy route configurations.
- Added detailed logging and error handling for routing operations.

ts/proxies/http-proxy/websocket-handler.ts

@@ -228,7 +228,7 @@ export class WebSocketHandler {
         }
       } else {
         // Fall back to legacy routing if no matching route found via modern router
-        const proxyConfig = this.legacyRouter.routeReq(req);
+        const proxyConfig = (this.legacyRouter as any).routeReqLegacy(req);
 
         if (!proxyConfig) {
           this.logger.warn(`No proxy configuration for WebSocket host: ${req.headers.host}`);