Update Readme.md

Readme.md

-Rugged 
+# Rugged 
 
 ![rugged-logo.png](src/site/resources/images/rugged-logo.png)
 
 
 
-*  [Overview](src/site/markdown/design/overview.md)
-*  [Getting the sources](src/site/markdown/sources.md)
-*  [Building](src/site/markdown/building.md)
-*  [Configuration](src/site/markdown/configuration.md)
+* [Overview](src/site/markdown/index.md)  
+* [Getting the sources](src/site/markdown/sources.md)
+* [Building](src/site/markdown/building.md)
+* [Configuration](src/site/markdown/configuration.md)
\ No newline at end of file
+* [FAQ](src/site/markdown/faq.md)
+* [`License`](src/site/markdown/license.md)
+* [`Downloads`](src/site/markdown/downloads.md)
+* [`Changes`](src/site/markdown/changes-report.md)
+* [Contact](src/site/markdown/contact.md)
+
+## Design
+
+
+* [Overview](src/site/markdown/design/overview.md)
+* [Technical choices](src/site/markdown/design/technical-choices.md)
+* [Digital Elevation Model](src/site/markdown/design/digital-elevation-model.md)
+* [Preliminary design](src/site/markdown/design/preliminary-design.md)
+
+## Tutorial
+
+* [Direct location](src/site/markdown/tutorials/direct-location.md)
+* [Direct location with DEM](src/site/markdown/tutorials/direct-location-with-DEM.md)
+* [Inverse location](src/site/markdown/tutorials/inverse-location.md)
+* [`Example in Matlab`]()
+
+## Development
+
+* [Contributing](src/site/markdown/contributing.md)
+* [Guidelines](src/site/markdown/guidelines.md)
+* [Javadoc, development](https://www.orekit.org/site-rugged-development/apidocs/index.html)
+* [`SOCIS|Summer Of Code In Space (SOCIS)`]()