Add pop up dialog to display list of contacts to add
Add a Pop up when user clicks on add contacts button in Contacts list page in user's profile.
Display a Material UI dialog box with a list of contacts (a multi select list) and a search bar to filter the results. (For the filter search bar look at the search bar for the Users.js component).
Elements in the list can be multiple selected. Once the users has selected the contacts he wants to add he can click on Add contacts button