Add "Followers" tab to the user profile view

[BrunoFNRodrigues]

:warning: When contributing code, please make sure you claim any related issue before opening a pull request. We will then assign you to the task to let other developers know that it has been claimed.

Closes #1446

Description

Add "Followers" tab to the user profile view

[codeclimate[bot]]

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[brylie]

@all-contributors please add @BrunoFNRodrigues for code

[allcontributors[bot]]

@brylie

I've put up a pull request to add @BrunoFNRodrigues! :tada: