added darknet and ladybug (#3918)

free-podcasts-screencasts-en.md

@@ -199,6 +199,7 @@
 * [Coding Blocks](http://www.codingblocks.net) (podcast)
 * [Command Line Heroes](https://www.redhat.com/en/command-line-heroes) (podcast)
 * [CTRL+CLICK CAST](http://ctrlclickcast.com) (podcast)
+* [Darknet Diaries](https://darknetdiaries.com) (podcast)
 * [Developer On Fire](http://developeronfire.com) (podcast)
 * [Developer Tea](https://developertea.com) (podcast)
 * [DevelopersHangout](http://www.developershangout.io) (podcast)
@@ -208,6 +209,7 @@
 * [Functional Geekery](https://www.functionalgeekery.com) (podcast)
 * [Garbage](http://garbage.fm) (podcast)
 * [IEEE Software's "On Computing" with Grady Booch](http://www.computer.org/web/computingnow/oncomputing) (podcast)
+* [Ladybug Podcast](https://www.ladybug.dev) (podcast)
 * [Learn to Code with Me](http://learntocodewith.me/podcast/) (podcast)
 * [Loosely Coupled](http://looselycoupled.info) (podcast)
 * [.NET Rocks!](https://www.dotnetrocks.com) (podcast)