v3.2.0 新增：升级模式

V3.2.0 新增

升级模式（Upgrade Mode）

=== Rime Deploy ====
welcome to use Rime installer.

Choose mode:
[1] Auto mode: Suitable for first-time operation.
[2] Handle mode: Decide to execute on your own.
[3] Upgrade mode: Suitable for upgrade exist Rime  <---- 更新模式 v3.2.0 新增
Tips: input the index. e.g: 1; Ctrl-C exit.

升级模式用来解决，适用于第一次安装脚本之后，后续想单独的更新上游配置。

[Upgrade Mode]

Choose mode:
[1] Upgrade rime auto deploy  <---- 更新这个脚本自己，仅限于 git 下载方式
[2] Upgrade rime config  <----  更新配置仓库，目前是 雾凇拼音，会升级到最新
Tips: input the index. e.g: 1; Ctrl-C exit.