Support touchable screen

[Freed-Wu]

Is your feature request related to a problem? Please describe.
Support touchable screen:

1. one finger to scroll
2. two finger to scale up/down font size

I have tested many terminal emulator. Seem:

• alacritty support it Add touch input support alacritty/alacritty#6695
• kitty doesn't support it Touchscreen scrolling in terminal on Wayland enabled desktops kovidgoyal/kitty#5432

Related post: https://www.reddit.com/r/linux/comments/4cyexp/any_terminal_emulators_support_touchscreens/

[bew]

I think this is a duplicate of #792

[Freed-Wu]

Aha, Sorry for duplication. 😢

[github-actions]

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