Command line options, Run npm commands

Added command line options, Run npm commands

• Added command line option to init config
• Added command line option to run npm commands
• Added command line option to list commands
• Now user can execute npm commands using same batman run command

v1.0.0-Simple command interface

Features added:

• Simplify command config
• User can use command without any other parameters
• Description in command using array
• List commands- using batman list

Initial release- Stable woking module

v0.0.3

fixed linter issue, added eslint