## Added

- Parameter `mode`:
    To allow users to customize the display mode for editor and viewer.
    - `auto`: This is the default value, which automatically selects light or dark mode based on the device's system settings.
    - `light`: Forces the interface to display in light mode.
    - `dark`: Forces the interface to display in dark mode.
- Parameter `fontFamily`:
    Enabling users to customize the font style for editor and viewer, providing greater flexibility in interface personalization.

## Adjusted

- Added Cover Image to Youtube Video Button:
    Adding video cover images to the existing button, making the interface more intuitive and visually appealing.
- License Adjustment:
    changed the software's licensing terms from `GPL 3.0` to `MIT`, offering greater flexibility and compatibility, easing the adoption and integration of this software in various projects.
***

## 新增

- 參數 `mode`
    自訂 `editor`, `viewer` 的顯示模式。
    - `auto`：此為預設值，會根據裝置的系統設定自動選擇明亮或暗色模式。
    - `light`：強制以明亮模式顯示介面。
    - `dark`：強制以暗色模式顯示介面。
- 參數 `fontFamily`
    自訂 `editor`, `viewer` 的字型風格。

## 調整

- Youtube 影片按鈕添加上封面圖
    將原本的 Youtube 展開影片按鈕添加上影��的封面圖，使得介面更直觀。
- 授權方式調整
    將代碼庫的授權方式從 `GPL 3.0` 變更為 `MIT` 授權，以提供更大的靈活性和兼容性，便於開發者在不同專案中採用和整合此軟體。