Added social sign in

app/Repos/UserRepo.php

@@ -0,0 +1,24 @@
+<?php namespace Oxbow\Repos;
+
+
+use Oxbow\User;
+
+class UserRepo
+{
+
+    protected $user;
+
+    /**
+     * UserRepo constructor.
+     * @param $user
+     */
+    public function __construct(User $user)
+    {
+        $this->user = $user;
+    }
+
+
+    public function getByEmail($email) {
+        return $this->user->where('email', '=', $email)->first();
+    }
+}