public function postUserSignUp(Request $request){

		//validate
		$this->validate($request, [
		    'email' => 'email|unique:users|required',
		    'name' => 'max:120|required',
		    'password' => 'min:3|required'
		]);

		//get fields from signup form using $request
		$email = $request['email'];
		$name = $request['name'];
		$coach = $request['coach'];
		$short_description = $request['short_description'];
		$description = $request['description'];
		$password = bcrypt($request['password']);

		//create new user - use App\User;
		$user = new User();
		$user->email = $email;
		$user->name = $name;
		$user->coach = $coach;
		$user->short_description = $short_description;
		$user->description = $description;
		$user->password = $password;
		$user->save(); //save to the db.

		Auth::login($user);//login after register

		return back();

		// return view('auth.login');

		// return redirect()->route('user_dashboard');
	}