support text style 😄

[Krosxx]

https://github.com/ajalt/mordant

[linux-china]

Now my solution:

• Add mordant-1.2.1.jar in your .kash.json file as classPaths
• declare t as global variable in .kash.kts

val t = com.github.ajalt.mordant.TermColors()

• execute your Kotlin code:

println(t.red("This text will be red on terminals that support color"))