Fix documentation.

pages/docs/dumpAst.md → pages/docs/index.md

 # DumpAst
 
-The tool called `DumpAst` ([see in repo](https://git-st.inf.tu-dresden.de/jastadd/relast2uml/-/tree/master/dumpAst)) is used to create a snapshot of an AST and visualize it.
+The tool called `DumpAst` ([see in repo](https://git-st.inf.tu-dresden.de/jastadd/relast2uml)) is used to create a snapshot of an AST and visualize it.
 
 ![](img/dumpAst.png)
 

pages/mkdocs.yml

@@ -3,7 +3,7 @@ repo_url: https://git-st.inf.tu-dresden.de/jastadd/relast2uml
 site_dir: ../public
 
 nav:
-  - "DumpAst": dumpAst.md
+  - "DumpAst": index.md
   - "Add to your project": adding.md
   - "API documentation": ragdoc/index.html