Improve README

[adhikasp]

Few thing that should be stated in our readme:

• What is this project about?
• Some badges (https://github.com/blibli-future/detroit/issues/19)
• Short feature description
• How to install it?
• License

[DitoRaharjo]

maybe we can add :

• the requirement for running the program
• etc a README example i found, take a look @adhikasp : https://github.com/stephzilla/readme