Updated to Flutter v2.5

Added flutter_lint package, fixed all breaking changes and updated all project dependencies.

v3.1.0

In this release,

• Updated to dart null-safety
• Updated project dependencies

v3.0.0

In this release, SwiggyUI is upgraded to support flutter v2.0

1. Replaced all deprecated widgets to a new one
2. Updated project dependencies

v2.0.0

In this release, Added web and tablet support to SwiggyUI

v1.0.1

In this release, I fixed all layout issues and the app is now responsive UI with all mobile devices

v1.0.0

In this release, The SwiggyUI app contains screens like restaurants, foods, restaurant detail, profile, cart, search screens.