Input methods for KDE

[ArtemT]

I'm using Kubuntu 22.04, have reasons to avoid ibus or fcitx, just trying to keep everything by default :)

I have a problem with proposed xkb-switch method: it works, but it makes the language indicator disappear from system tray, so and global menu for VSCode.

It took a while to find the solution, here's my working settings.json:

{
    "vim.autoSwitchInputMethod.obtainIMCmd": "/usr/bin/qdbus org.kde.keyboard /Layouts getLayout",
    "vim.autoSwitchInputMethod.switchIMCmd": "/usr/bin/qdbus org.kde.keyboard /Layouts setLayout {im}",
    "vim.autoSwitchInputMethod.defaultIM": "0",
    "vim.autoSwitchInputMethod.enable": true
}

Please, add it to README.md, cheers!

UPD: params added for obtainIMCmd.

[daipeihust]

you can commit your code and create a pull request, then I can merge it

[daipeihust]

I have added it to README