Fixed reference to fuge-system project

Author: lucamaraschi

doc/demo-fuge.md

@@ -16,7 +16,7 @@ Install these before getting started.
 You can clone these branches directly - for example:
 
 ```sh
-$ git clone https://github.com/concorda/concorda-fuge
+$ git clone https://github.com/concorda/concorda-system
 ```
 
 You need to install all dependencies:
@@ -64,4 +64,4 @@ There are some examples .yml files that defines the demo systems, such as:
 
  - For examples of using curl commands to see results please see [concorda-client-demo](https://github.com/concorda/concorda-client-demo)
  - [Vidi Dashboard](https://github.com/vidi-insights/vidi-dashboard) can be used instead of [concorda-client-demo](https://github.com/concorda/concorda-client-demo). Vidi project has also a React UI that can be used as demo.
-    
+