Initial commit，修正

vendor/mdmsoft/yii2-admin/docs/guide/avaliable-menu.md

@@ -0,0 +1,45 @@
+Assignment
+---------
+Assignment menu used for grant or revoke role to/from user.
+
+![Assignment](/docs/images/image01.png)
+![Assignment](/docs/images/image02.png)
+
+Route
+-----
+Route is special `permission`. Its related with application route. Because `route` is `permission`, 
+so you can assign it to another `permission` or `role`. 
+By default, listed route is automatic read from application structure.
+Click button '>>' to save it and button '<<' to delete.
+
+If route that you need not avaliable in list. You can create it manually. You can also create route
+with extra parameter. Use `&` to sparate main route with parameter. E.g. `site/page&view=about`.
+
+![Route](/docs/images/image03.png)
+
+Role and Permission
+-------------------
+This sesction used for manage role/permission. You can create, delete or update role/permission from this menu.
+Adding and remove child of role can be doing there.
+
+![Role](/docs/images/image04.png)
+![Create Role](/docs/images/image05.png)
+![Add Child](/docs/images/image06.png)
+![Update Permission](/docs/images/image07.png)
+
+Rule
+----
+To using rule, define your own rule class. It should be inherited from 
+[`yii\rbac\Rule`](http://www.yiiframework.com/doc-2.0/yii-rbac-rule.html).
+See [Rules](http://www.yiiframework.com/doc-2.0/guide-security-authorization.html#using-rules) for more information.
+Add rule to `authManager` by provide rule classname.
+
+![Rule](/docs/images/image08.png)
+
+More...
+--------
+
+- [**User Management**](user-management.md)
+- [**Using Menu**](using-menu.md)
+- [**Basic Configuration**](configuration.md)
+