Add padding to the left of Google icon in Login screen. #8
Description
Important: This Issue is only for beginners to Open Source and Flutter. If you have some experience in either of these, go for another issues.
In login_screen.dart
Right now the google icon is almost touching the left edge of the button, add some padding to the left of the icon to make it look better.
Ask to be assigned in the comments below before starting to work on this issue. Stick to the contribution guidelines as mentioned in the README file.