feat: add keyboard shortcut to toggle task description edit (#2332)

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/frontend/pulls/2332
Reviewed-by: Dominik Pschenitschni <dpschen@noreply.kolaente.de>

src/components/misc/keyboard-shortcuts/shortcuts.ts

@@ -136,6 +136,10 @@ export const KEYBOARD_SHORTCUTS : ShortcutGroup[] = [
 				title: 'keyboardShortcuts.task.reminder',
 				keys: ['alt', 'r'],
 			},
+			{
+				title: 'keyboardShortcuts.task.description',
+				keys: ['e'],
+			},
 		],
 	},
 ]