Issue #6: Modifying main documentation to References

README.md

@@ -51,6 +51,6 @@ improvements, it has the potential to transform the way fertilizer bag
 inspections are conducted, bringing an advanced technological
 solution to the agricultural sector.
 
-## Main documentation
+## References
 
 You can find more information on the official site of Google gemini vertex ai : <https://cloud.google.com/vertex-ai/generative-ai/docs/model-reference/gemini?hl=fr>