add dynamic profile picture

Description

https://www.loom.com/share/2880839144b84baaa8d6ff7ed560bb9f

Add profile picture dynamically on auth page. It saw on the navbar.

Type of change

Please mark the options that are relevant.

• Updated UI/UX
• Improved the business logic of code
• Added a new feature
• Other

Checklist:

• I have performed a self-review of my own code
• I have commented on my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings