/**
* Add a member to a team that has previously expressed interest in joining.
*
* @param Team $team
* @param Member $member
*
* @return \Illuminate\Http\RedirectResponse
*/
public function addMember(Team $team, Member $member)
{
$team->members()->attach($member->id);
$team->interestedMembers()->detach($member->id);
return redirect()->back();
}