refactor: implement connection pooling and state management for remote explorers

frontend/wailsjs/go/main/App.d.ts

@@ -11,6 +11,8 @@ export function Delete(arg1:string,arg2:string):Promise<void>;
 
 export function DeleteConnection(arg1:string):Promise<void>;
 
+export function DisconnectConnection(arg1:string):Promise<void>;
+
 export function GetConnections():Promise<Array<config.ConnectionConfig>>;
 
 export function GetTransfers():Promise<Array<transfer.Transfer>>;

frontend/wailsjs/go/main/App.js

@@ -14,6 +14,10 @@ export function DeleteConnection(arg1) {
   return window['go']['main']['App']['DeleteConnection'](arg1);
 }
 
+export function DisconnectConnection(arg1) {
+  return window['go']['main']['App']['DisconnectConnection'](arg1);
+}
+
 export function GetConnections() {
   return window['go']['main']['App']['GetConnections']();
 }