doc: add reference to graph6 and digraph6 instructions

hanpham32 · Dec 12, 2024 · 7b93dcb · 7b93dcb
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commit 7b93dcb
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diff --git a/README.md b/README.md
@@ -68,3 +68,7 @@ This will launch the app, and you can access it by navigating to http://localhos
 ├── out/      # contains canonical output
 ├── src/      # contains scripts for the program
 ```
+
+## References
+
+Graph6 and Digraph6 format: [https://users.cecs.anu.edu.au/~bdm/data/formats.txt](https://users.cecs.anu.edu.au/~bdm/data/formats.txt)