Implement Get all mentor emails endpoint (Admin) #43

[sathudeva7]

Purpose

The purpose of this PR is to fix #43

Goals

This issue involves implementing an API to Get all mentor emails. The endpoint should allow Admin to make a GET request to {{baseUrl}}/api/admin/mentor/emails?status=ACCEPTED.

Approach

     const allMentors: Mentor[] = await mentorRepository.find({
      where: status ? { state: status } : {},
      select: ['profile'],
      relations: ['profile', 'category']
    })

    const emails = allMentors.map((mentor) => mentor?.profile?.primary_email)

Screenshots

Checklist

• [x] This PR doesn't commit any keys, passwords, tokens, usernames, or other secrets.
• [x] 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
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation

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