add Django and PostreSQL video

Author: jorgebg

README.md

@@ -4,7 +4,7 @@
 | Quién decide, ¿tú o el algoritmo? | Escépticos en el Pub | Oct 2019 | [Slides](https://docs.google.com/presentation/d/1mMjXUGgr0W6J02LcrXxQwTIFhEZ9_c0CiofDNGtdnLg/edit) \| [Video](https://www.youtube.com/watch?v=nAJ7pk1Sw_c) |
 | Service Oriented Arquitecture with PySOA | PyConES 2019 | Oct 2019 | [Slides](https://docs.google.com/presentation/d/1E_MoEvkJ_gZzGhlS4NjN6juil56PR2fGfWL_J8XTcwo/edit) \| [Video](https://www.youtube.com/watch?v=aOtk4ga3Du8) |
 | Taller de Introducción a Django | Django Madrid | Sep 2019 | [Slides](https://djangomadrid.github.io/workshop/) |
-| Django y PostgreSQL: Baterías incluídas | Django Madrid | Jan 2019 | [Slides](http://jorgebg.com/talks/django-postgresql) |
+| Django y PostgreSQL: Baterías incluídas | Django Madrid | Jan 2019 | [Slides](http://jorgebg.com/talks/django-postgresql) \| [Video](https://www.youtube.com/watch?v=cfxeEW2XrQc) |
 | Primeros Pasos | Django Girls Madrid | Nov 2018 | [Slides](https://docs.google.com/presentation/d/18SU0y_CyTxitTG6c0tnQB40uL7gl1Vl4flgTIBXVnaE/edit?usp=sharing) |
 | Argüman | PyConES 2018 (Lightning talks) | Oct 2018 | - |
 | Django Rest Framework introduction | Django Dublin | Jun 2018 | [Slides](https://github.com/jorgebg/talks/blob/master/drf-intro/) |