Use email for authentication

Use email instead of login for authentication

app/Http/Requests/LoginRequest.php

@@ -11,9 +11,10 @@
  *   @OA\JsonContent(
  *     required={"username","password"},
  *     @OA\Property(
- *       property="username",
+ *       property="email",
  *       type="string",
- *       description="Username of the user",
+ *       format="email",
+ *       description="Email of the user",
  *     ),
  *     @OA\Property(
  *       property="password",
@@ -43,7 +44,7 @@ public function authorize()
     public function rules()
     {
         return [
-            'username' => 'required|string',
+            'email' => 'required|string|email',
             'password' => 'required|string',
         ];
     }