add Kotlin type: "*.kt", "*.kts"
add Kotlin type: "*.kt", "*.kts"

https://en.wikipedia.org/wiki/Kotlin_(programming_language)
https://github.com/udalov/kotlin-vim/blob/master/ftdetect/kotlin.vim

BurntSushi/ripgrep,BurntSushi/ripgrep,BurntSushi/ripgrep,BurntSushi/ripgrep