Add PHPStorm Tips and Tricks screencast by Christoph Rumpel (#6437)

* Add PHP Tips and Tricks screencast by Christoph Rumpel

* Add author

* Correct alphabetical order

* Update entry to match style

Switches to playlist and moves author outside the link.

Co-authored-by: David Ordás <3125580+davorpa@users.noreply.github.com>

* Add IDE / Editors section

* Move PHPStorm Tips & Trips to IDE / Editors section

* Remove anchor alias

Co-authored-by: David Ordás <3125580+davorpa@users.noreply.github.com>

Co-authored-by: David Ordás <3125580+davorpa@users.noreply.github.com>

casts/free-podcasts-screencasts-en.md

@@ -14,6 +14,7 @@
 * [Golang](#golang)
 * [Gulp](#gulp)
 * [Haskell](#haskell)
+* [IDE / Editors](#ide--editors)
 * [Java](#java)
 * [JavaScript](#javascript)
   * [Angular](#angular)
@@ -148,6 +149,11 @@
 * [The Haskell Cast](http://www.haskellcast.com) (podcast)
 
 
+### IDE / Editors
+
+* [PHPStorm Tips & Tricks](https://www.youtube.com/playlist?list=PLk9WlAgeZoTfHdJUv75-5grVQf4ijIrzw) - Christoph Rumpel (screencast)
+
+
 ### Java
 
 * [Building a Java & Spring Boot app: Kid-Bank development](https://www.youtube.com/playlist?list=PLBHctPrH7Z29W8XtVDyc_mMvD2GO7GIF2) - Ted M. Young (screencast)