Update README.md

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

Author: FabianaCampanari

README.md

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 This repository is designed to serve as an educational resource, showcasing the progression of quantum computing, key contributions, and foundational formulas. Contributions and discussions are encouraged to expand on these materials and foster collaboration in the field of quantum computing.
 Feel free to explore, contribute, and share your insights!
 
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-# Table of Contents
+## Table of Contents
 
-## [Predecessors of Quantum Mechanics](#predecessors-of-quantum-mechanics) – Key Mathematicians and Their Contributions
+### [Predecessors of Quantum Mechanics](#predecessors-of-quantum-mechanics) – Key Mathematicians and Their Contributions
 1. **Leonhard Euler (1748)**  
 2. **Carl Friedrich Gauss (1809)**  
 3. **Joseph Fourier (1822)**