add license doc file

docs/about/license.md

+# License
+
+**MIT License**
+
+Copyright (c) 2016 - 2019 Saborboard
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
\ No newline at end of file

docs/readme.md

-# CAP documentation
+# CAP Documentation
 
 The folder contains the documentation for CAP.
 
-We are using [Github Pages](https://github.com/yang-xiaodong/cap-docs) to host the documentation and the rendered version
-can be found [here](http://cap.dotnet-china.com).
+We are using [Github Pages](https://github.com/dotnetcore/CAP/tree/gh-pages) to host the documentation and the rendered version can be found [here](http://cap.dotnet-china.com).
 
 Doc pages are authored in Markdown  - you can find a primer [here](https://help.gamejolt.com/markdown).

mkdocs.yml

@@ -31,6 +31,7 @@ nav:
         - Release Notes: about/release-notes.md
         - Contributing: about/contributing.md
         - Contact Us: about/contact-us.md
+        - License: about/license.md
 
 #theme: material
 theme: