✨ feat(web): integrate embedded web server, REST/SSE APIs and modernize configuration

- Add embedded KLALBWebServer with REST API, SSE streaming (200ms) and SPA hosting
- Introduce enableTUN configuration flag with fallback and non-admin execution support
- Refactor LineTable and ConnectLineTable to openConnections and autoConnections
- Rename denyLineTableQuery/Broadcast to denyConnectionQuery/Broadcast with backwards compatibility
- Support runtime config hot-reloading and automatic persistence to klalb-config.json
- Update default Web API port to 4665 and update dashboard submodule reference

src/org/kne/cloud/network/srv6/KLALBRoutingProtocol.java

@@ -43,6 +43,10 @@ public class KLALBRoutingProtocol extends Thread{
 
 	private RouterInfo selfRouterInfo;
 	private Map<IPv6Address, RouterInfo> netmap=new ConcurrentHashMap<>();
+
+	public Map<IPv6Address, RouterInfo> getNetmap() {
+		return netmap;
+	}
 	
 	
 	private volatile Map<IPv6Address,Long>addresses;