Agrege 2 cursos en la seccion free-course-es.md uno en sql y otro en git (#5952)

* Agrege 2 cursos en la seccion free-course-es.md uno en sql y otro en git

* fix: to playlist endpoint

* fix: remove extra whitespaces from author delimiter

* fix: solve lint fault `blank-lines-1-0-2`

* chore: delete not valuable resource

* Update courses/free-courses-es.md

fix: complete authoring "BlueWeb"

Co-authored-by: ImVector <[email protected]>

Co-authored-by: David Ordás <[email protected]>
Co-authored-by: ImVector <[email protected]>

Author: 3 people

courses/free-courses-es.md

@@ -86,6 +86,7 @@
 ### Control de Versiones
 
 * [Git & GitHub](https://www.pildorasinformaticas.es/course/curso-de-git-github) - Juan Díaz (Píldoras Informáticas)
+* [Git & GitHub](https://www.youtube.com/playlist?list=PLPl81lqbj-4I8i-x2b5_MG58tZfgKmJls) - Ignacio Gutiérrez, BlueWeb (YouTube)
 
 
 ### Flujos de Trabajo