feat: add disconnect tab hotkey

tabby-terminal/src/api/connectableTerminalTab.component.ts

@@ -22,8 +22,19 @@ export abstract class ConnectableTerminalTabComponent<P extends BaseTerminalProf
         super(injector)
 
         this.subscribeUntilDestroyed(this.hotkeys.hotkey$, hotkey => {
-            if (this.hasFocus && hotkey === 'reconnect-tab') {
-                this.reconnect()
+            if (!this.hasFocus) {
+                return
+            }
+
+            switch (hotkey) {
+                case 'reconnect-tab':
+                    this.reconnect()
+                    this.notifications.notice(this.translate.instant('Reconnect'))
+                    break
+                case 'disconnect-tab':
+                    this.disconnect()
+                    this.notifications.notice(this.translate.instant('Disconnect'))
+                    break
             }
         })
     }

tabby-terminal/src/hotkeys.ts

@@ -101,6 +101,10 @@ export class TerminalHotkeyProvider extends HotkeyProvider {
             id: 'reconnect-tab',
             name: this.translate.instant('Reconnect current tab (Serial/Telnet/SSH)'),
         },
+        {
+            id: 'disconnect-tab',
+            name: this.translate.instant('Disconnect current tab (Serial/Telnet/SSH)'),
+        },
     ]
 
     constructor (private translate: TranslateService) { super() }