update recommended stock sites

content/snippets/stock-footage.en.md

@@ -49,24 +49,27 @@ Here is a list of free resources for pictures/music/videos/etc i use:
 
 # Music
 
+* https://freepd.com
 * http://dig.ccmixter.org
+* https://cchound.com
 * https://soundcloud.com/ (and search -> tracks -> filter to listen to -> use commercially)
 * https://audionautix.com
-* https://freemusicarchive.org/
+* https://freemusicarchive.org/home
-* https://musopen.org/music/
 * https://incompetech.filmmusic.io
+* https://starfrosch.ch
 * https://cctrax.com
-* https://ibeat.org
+* https://musopen.org/music/
-* https://freepd.com
-* https://cchound.com
 * https://www.jamendo.com/
-* https://starfrosch.ch
+
+## Beats / Loops
+
+* https://ibeat.org
 * http://free-loops.com/
 * https://rappers.in/
 * https://free-beats.net/
 * https://www.looperman.com/
 
-# Sound
+# Sounds / Effects
 
 * https://freesound.org/
 * https://audiyou.de
@@ -86,10 +89,6 @@ Here is a list of free resources for pictures/music/videos/etc i use:
 * [Openshot Luma transitions](https://github.com/OpenShot/openshot-qt/tree/master/src/transitions/extra)
 * [Kdenlive Luma transitions](https://github.com/KDE/kdenlive/tree/master/data/lumas/HD)
 
-# School / Education
-
-* http://www.cc-your-edu.de/
-* https://www.oercommons.org/
 
 ***