Videos updated

Author: evertdiaz

beginner-es/README.md

@@ -16,4 +16,8 @@ Si deseas configurar todo tu entorno, puedes encontrar un video completo en espa
 
 - Sesión 1: Intro a Algorand: Javascript SDK y Algokit - [https://drive.google.com/file/d/106vxQDjqLi3oV7sWLsutC29CUX9YCAwW/view?usp=sharing](https://drive.google.com/file/d/106vxQDjqLi3oV7sWLsutC29CUX9YCAwW/view?usp=sharing)
 
-- Sesión 2: Intro a Pyteal y Beaker + Contrato de Subastas - [https://drive.google.com/file/d/13MZ8irj5BDoZ3ZGmmtlRA93a7YBeqWVS/view?usp=sharing](https://drive.google.com/file/d/13MZ8irj5BDoZ3ZGmmtlRA93a7YBeqWVS/view?usp=sharing)
+- Sesión 2: Intro a Pyteal y Beaker + Contrato de Subastas - [https://drive.google.com/file/d/13MZ8irj5BDoZ3ZGmmtlRA93a7YBeqWVS/view?usp=sharing](https://drive.google.com/file/d/13MZ8irj5BDoZ3ZGmmtlRA93a7YBeqWVS/view?usp=sharing)
+
+- Sesión 3: Desarrollo del frontend con React y Algokit - [https://drive.google.com/file/d/1vsB-zluIqiiFv-0CnOKF5Fo6vRwhiqm2/view?usp=sharing](https://drive.google.com/file/d/1vsB-zluIqiiFv-0CnOKF5Fo6vRwhiqm2/view?usp=sharing)
+
+- Sesión 4: Finalización del cliente y revisión de retos - [https://drive.google.com/file/d/16IIYkZEmfkLSNyEE79Z0XHbycnkjn3IN/view?usp=sharing](https://drive.google.com/file/d/16IIYkZEmfkLSNyEE79Z0XHbycnkjn3IN/view?usp=sharing)