change readme

README.md

 # CrmUc
 # CrmUc
-Short description and motivation.
+engine 主要是提供用户中心相关的功能，包含和用户中心相关的调用代码 和 model
 
 
 ## Usage
 ## Usage
-How to use my plugin.
+organization.rb 里需要
+```ruby
+include CrmUc::Organizationable
+```
+提供企业的一些公用调用方法
+
+user.rb 里需要
+```ruby
+include CrmUc::Userable
+```
+提供用户的一些公用调用方法 一些 enum等
+
+microservices 里提供了调用用户中心的方法，和一些用户相关的service
 
 
 ## Installation
 ## Installation
 Add this line to your application's Gemfile:
 Add this line to your application's Gemfile:
@@ -22,7 +34,4 @@ $ gem install crm_uc
 ```
 ```
 
 
 ## Contributing
 ## Contributing
-Contribution directions go here.
-
+Contribution directions go here.
\ No newline at end of file
-## License
-The gem is available as open source under the terms of the [MIT License](https://opensource.org/licenses/MIT).