on ES ref. about 'Había una vez un algoritmo'

[nestor-almarza]

New podcast reference for spanish audience. I've followed indications on contributing.md file.

The podcast in question:
https://algoritmo.buzzsprout.com/

Things to do:

• [ done ] Add podcasts in appropriate categories in ascending order of podcast name
• [ done ] If there is no matching category, add a new category to the list in ascending order of category name, and add it to the table of contents in the same order
• [ done ] Add a brief description of the podcast
• [ done ] Add a host of the podcast (optional if hosted by group or panel)
• [ done ] Add the frequency of episodes (check the list for examples)
• [ done ] Add the runtime of episodes, giving an approximate range and an average duration