added modules to waybar

fish/functions/convert_discord.fish

@@ -0,0 +1,3 @@
+function convert_discord --wraps='ffmpeg -i <source> -s 1280x720 <source>-discord.mp4' --description 'alias convert_discord=ffmpeg -i <source> -s 1280x720 <source>-discord.mp4'
+  	ffmpeg -i $argv[1] -s 1280x720 (string split -r -m1 . $argv[1])[1]-discord.mp4;
+end