Update README.md

Signed-off-by: Fabiana 🚀  Campanari <113218619+FabianaCampanari@users.noreply.github.com>

Author: FabianaCampanari

README.md

@@ -53,7 +53,7 @@ The [key difference]() between sim-opt and other analytical tools is its [abilit
 
 # I- Example of a [Optimization Problem]()
 
-#### [Click here]() to access Theoretical and Pratical Material. 
+#### [Click here](https://github.com/Quantum-Software-Development/Optimization-Simulation-Modeling-LinearProgramming/blob/8e3cf8ba6bdc2ce92a011ff5169a3ec704a9d6f0/class_1-Optimization-Simulation-Modelin/1-Optimization%20and%20Simulation.pdf) to access Theoretical and Pratical Material. 
 
 ### An optimization problem can be represented using the `optidef` package. For example: