A simple group chat application, in which user can register or login and join the group chat.
Learned from a course by Angela Yu. Thanks to her.

• Working with Routes
• Working with Hero Animation
• Working with Custom animation using ticker and animation controller.
• Working with CurvedAnimation, ColorTween
• Working with different keyboards while inputting text inside textfields
• Working with ModalProgressHUD
• Listening to data changes using snapshots from firebase
• Working with StreamBuilders
• Working with Expanded Widget
• Working with username,password authentication using Google authentication
• working with firestore