added visualization script for .graphml files

README.md

@@ -88,18 +88,19 @@ Users can experiment by changing the models. The llm model expects language mode
     python3 -m graphrag.query --data ./ragtest/output/20240709-024831/artifacts/ --method global "What is machine learning?"
     ```
 
-**Graphs can be saved which further can be used for visualization by changing the graphml to "true" in the settings.yaml : **
+**Graphs can be saved which further can be used for visualization by changing the graphml to "true" in the settings.yaml :**
     
     snapshots:
     graphml: true
     
-**To visualize the generated graphml files, you can use : https://gephi.org/users/download/ or the script provided in the repo visualize-graphml.py : **
+**To visualize the generated graphml files, you can use : https://gephi.org/users/download/ or the script provided in the repo visualize-graphml.py :**
 
 Pass the path to the .graphml file to the below line in visualize-graphml.py:
 
-graph = nx.read_graphml('output/20240708-161630/artifacts/summarized_graph.graphml') 
+    graph = nx.read_graphml('output/20240708-161630/artifacts/summarized_graph.graphml') 
 
 13. **Visualize .graphml :**
+
     ```bash
     python3 visualize-graphml.py
     ```