- add --lang <LANG> [C#|F#] with alias (csharp/cs)
- renamed template directories, format "LANGUAGE-TEMPLATE"
- add --type <TYPE>
default to first template of the language ( "Console" )
- show all avaiable types, if invalid argument --type
```
Unrecognized type: notexists
Avaiable types for F# :
- Console
```