Interrapt G26

Description:
The app is supposed to accepts only valid formats for e-mail addresses, with valid email prefix and email domain, but instead the user can create new mentor with invalid email whit

Steps to reproduce:
1. Login on interrapt
2. Open Mentors from the sidebar
3. In the email filed enter invalid email
4. Fill all the other fields
5. Click on Create

Expected result
The new mentor should not be created, message in red letters should be shown that the email is invalid.
Actual result
The app allows users to create a new mentor with invalid email without providing any error feedback that the email is invalid.