Added Working Directory and Staged Files

• List files which are in the working directory and files which are staged. (!3) - @kishoreyuvan
• Removes duplicates files between the working directory and staged files. (!7) - @varunananth
• Update Readme (!8) - @kishoreyuvan

Added Dependency

• Added matcher as a dependency (!6)

Added Source Files

• Added Source files in package.json (!5) - Fixes #4

Show Type of Change of a file

• Show type of file change #2

Update Readme

v0.0.2

Update Readme