Login component

[SI-Encoding]

Code Review Checklist

Description

Implemented mock UI for login page to connect to the backend. Tried to match the design as closely to the Canadian version of Amazon, but slightly different until more features are added in the future.

Type of change

• [ ] Bug fix
• [x] New feature
• [ ] Breaking change

How was it tested?

• [ ] Unit
• [ ] Functional
• [x] Manual
• [ ] End to end