Add Elixir Podcast (#4827)

* elixir Podcast

* fix

Co-authored-by: sarit <sarit.pinhas@duda.co>

free-podcasts-screencasts-en.md

@@ -88,6 +88,7 @@
 * [ElixirConf 2014](https://www.youtube.com/playlist?list=PLE7tQUdRKcyakbmyFcmznq2iNtL80mCsT) (screencast)
 * [ElixirConf 2015](https://www.youtube.com/playlist?list=PLWbHc_FXPo2jBXpr1IjyUgJ7hNS1eTf7H) (screencast)
 * [Intro to Elixir](https://www.youtube.com/watch?v=lly-1UYmnFI&list=PLn76XROGFNtE9InImlu6e8isbOsM7qKtt) (screencast)
+* [The Thinking Elixir Podcast](https://thinkingelixir.com/the-podcast) (podcast)
 
 
 ### Emacs