Add aliases for common cli subcommands

[ameknite]

Similar to rust
build -> b
check -> c
docs -> d
run -> r
test -> t

[lpil]

Hello! I'm unsure about this one. If a user wants short commands wouldn't it be best for them to use shell aliases? As this would be shorter still.

[ameknite]

you are right, I just think these are a good default