Apply fixes from StyleCI

Author: edenleung

src/Contract/UserContract.php

@@ -18,7 +18,8 @@ public function roles(): BelongsToMany;
      * 是否有此权限.
      *
      * @param string $permission
-     * @return boolean
+     *
+     * @return bool
      */
     public function can($permission);
 

src/Traits/Permission.php

@@ -2,8 +2,8 @@
 
 namespace xiaodi\Permission\Traits;
 
-use xiaodi\Permission\Contract\RoleContract;
 use think\model\relation\BelongsToMany;
+use xiaodi\Permission\Contract\RoleContract;
 
 trait Permission
 {

src/Traits/Role.php

@@ -2,9 +2,9 @@
 
 namespace xiaodi\Permission\Traits;
 
+use think\model\relation\BelongsToMany;
 use xiaodi\Permission\Contract\PermissionContract;
 use xiaodi\Permission\Contract\UserContract;
-use think\model\relation\BelongsToMany;
 
 trait Role
 {

src/Traits/User.php

@@ -3,9 +3,9 @@
 namespace xiaodi\Permission\Traits;
 
 use think\Collection;
-use xiaodi\Permission\Model\Permission;
-use xiaodi\Permission\Contract\RoleContract;
 use think\model\relation\BelongsToMany;
+use xiaodi\Permission\Contract\RoleContract;
+use xiaodi\Permission\Model\Permission;
 
 trait User
 {