✨ Keybindings Settings Pane

### Is your feature request related to a problem? Please describe.

We need to provide users with the ability to set and manage keybindings used in CodeEdit.

### Describe the solution you'd like

Users need to be able to change keyboard shortcuts used to call commands within CodeEdit.
We will eventually allow users to save and apply keybinding sets.

### Additional context

Xcode's Keybinding Settings Pane

VS Code

macOS Keyboard Shortcuts

### Proposed Design




該 issue 沒有列出任何檔案、測試或進入點。首先檢視提議的設計圖片，並找出現有的設定和命令/按鍵繫結實作；完成後應包含一個設定面板，讓使用者可以變更用來叫用命令的鍵盤快速鍵。

由索引模型根據 Issue 內容生成。