Update README.md

Signed-off-by: Fabiana 🚀  Campanari <[email protected]>

Author: FabianaCampanari

README.md

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 3. [**Multiple Quantum States (Qutrits and Qudits)**](#multiple-quantum-states-qutrits-and-qudits)
 
 
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 ## I. [Predecessors of Quantum Mechanics](#predecessors-of-quantum-mechanics) – Key Mathematicians and Their Contributions