Animate logo and the dot images

Update the width constraint for login button

Use `CGAffineTransformIdentity` to animate textfields and button

Update project settings

Fix code style

update read me file

Add screenshot

Optimize the animation when tap Login button

Add animation when tap the Login Button.

Add login button

Add login button animation

Add animation for password textfield

Add username textfield animation

Setup username and password textfield

Add animation for bubbles and logo