Improve UI of the App

[opticod]

Currently, the app is in starting phase of development. And it has very basic UI. We need to add improve it and make more materialistic.

For material design guidelines, you can refer:
https://developer.android.com/design/index.html
https://developer.android.com/design/material/index.html
https://developer.android.com/training/material/index.html
https://material.io/guidelines/

[sashank27]

@opticod I would like to work on it

[AMAN3003]

@sashank27 Please go ahead and you can use the link above for the reference, You can even ping us on https://gitter.im/BroFOSS/BroFOSS with your new design.