Chore/add dia30 podcast es (#5285)

* Add Día30 Podcast

* This is a podcast it's about Development and Design in Spanish.

* Sort podcast in alphabetical order

* Following guidelines

* Fix alphabetical order rely on auto-sorting

* Fix Alphabetical ordering

* Alphabetical ordering: swap l.60 and l.59
* Alphabetical ordering: swap l.66 and l.65
* Alphabetical ordering: swap l.70 and l.69
* Remove trailing slash (https://www.dia30.mx)

* Fix iCharlas order

casts/free-podcasts-screencasts-es.md

@@ -56,6 +56,7 @@
 ### Variados
 
 * [Cosas de Internet](https://cosasdeinternet.fm/episodios) (podcast)
+* [Día30](https://www.dia30.mx) (podcast)
 * [Doomling & Chill](https://podcasts.google.com/feed/aHR0cHM6Ly9hbmNob3IuZm0vcy8zNGM2ZjE5MC9wb2RjYXN0L3Jzcw==) (podcast)
 * [Educando Geek](https://educandogeek.github.io) (podcast)
 * [Frikismo Puro](https://www.ivoox.com/podcast-frikismo-puro_sq_f1268809_1.html) (podcast)