Output of ballerina dist use --help is not aligned

[Kishanthan]

Description:

$ ballerina dist use --help 
NAME
    ballerina-dist-use - Use a given distribution version

SYNOPSIS
    ballerina dist use <distribution-version>

DESCRIPTION
     Use pulls and uses a given Ballerina version from project repository.

OPTIONS
     Ballerina dist use command takes no options.

EXAMPLES
     Use Ballerina 1.0.0 distribution.
        → ballerina dist use jballerina-1.0.0

Issues

1. Not aligned.
2. OPTIONS is not needed.
3. The text should say that this will switch and use the given version as the default version.

Affected Product Version:

OS, DB, other environment details and versions:

Steps to reproduce:

Related Issues:

[MaryamZi]

Fixed with #329