feat: add latency indicator and broadcast target selection

- Added a latency indicator to the status bar, displaying round-trip time for SSH sessions.
- Implemented functionality to select specific sessions for broadcasting input, allowing users to manage broadcast targets.
- Enhanced SFTP functionality with bookmark management, enabling users to bookmark directories and navigate to them easily.
- Introduced a modal for user-defined snippet variables, allowing dynamic command execution with placeholders.
- Added port forwarding management for SSH sessions, including the ability to start and stop port forwards.
- Improved terminal output export functionality, allowing users to download or copy terminal output to clipboard.

frontend/wailsjs/go/api/Service.d.ts

@@ -105,6 +105,8 @@ export function NewProfile(arg1:string):Promise<models.Profile>;
 
 export function PinSession(arg1:string,arg2:boolean):Promise<void>;
 
+export function PingSession(arg1:string):Promise<number>;
+
 export function ReconnectSession(arg1:string):Promise<void>;
 
 export function RefreshGitHubRepos(arg1:string):Promise<Array<models.GitHubRepo>>;

frontend/wailsjs/go/api/Service.js

@@ -206,6 +206,10 @@ export function PinSession(arg1, arg2) {
   return window['go']['api']['Service']['PinSession'](arg1, arg2);
 }
 
+export function PingSession(arg1) {
+  return window['go']['api']['Service']['PingSession'](arg1);
+}
+
 export function ReconnectSession(arg1) {
   return window['go']['api']['Service']['ReconnectSession'](arg1);
 }