As a developer I should be able to set up vega on my local system

[AshishThakur]

Description

• Developer should be able to set up vega on her/his local system.
• The interaction would be a via command line (Check example below).
• The command should provide appropriate flags like --help etc.

  vega init

[AshishThakur]

@vs4vijay once the initial design is done. This can be a good ticket for you to start.