Match expression Spanish translation

[joseluisq]

This PR provides the Spanish translation of match expression which is part of Control Structures.

[julionc]

Thank you for your contribution Jose!

According to the diccionario.txt file:

• We should not translate the data types (strings, integers, etc)
• Correct statement switch for sentencia switch

[joseluisq]

It's done, let me know if there is something more to do.