Show mentees under the mentor profile

[Madhawa97]

Purpose

The purpose of this PR is to fix #150, #151

Goals

Show mentees under the mentor profile

Approach

Show mentees of a mentor as a avatar stack.

Screenshots

Checklist

• This PR doesn't commit any keys, passwords, tokens, usernames, or other secrets.
• I have read and understood the development best practices guidelines ( http://bit.ly/sef-best-practices )
• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation

Related PRs

Test environment

Learning

[anjula-sack]

It's not just the profile picture. A mentee card should be shown just like we show for the mentors. @Madhawa97 clicking a mentee card should redirect to a public mentee page

[anjula-sack]

Good job! @Madhawa97

[Madhawa97]

Thanks! @anjula-sack