Implement Add Members Button

[Leundai]

Description

Add members should be moved to its designated location button instead of at the top of the page. This also relies on #101 and #102 Where there is a new component to input member information. Add Members functionality is already implemented you just need to marry both new designs together.

Add members are only available to Directors, so make sure to make yourself as a Director

Useful Resources

• Add User UI PR This should be useful to understand the functionality