Add Flutter Mobile App Projects

[MridulTi]

This GitHub issue is opened to facilitate the inclusion of Flutter mobile app projects in our repository. If you have developed mobile apps using Flutter, feel free to contribute and showcase your creations here.

[Yaswanth-Mitta]

@MridulTi can you eleborate what kind of flutter apps we can add ? is it necessary for full app or good looking screens can be added?

[MridulTi]

@Yaswanth-Mitta just screens won't make it , make sure that you push full app