Format credits & add el Rido & myself ☺️

CREDITS.md

@@ -1,20 +1,22 @@
 Credits
 =======
 Sébastien Sauvage - original idea and main developer
+El Rido - current developer and maintainer
 
-Alexey Gladkov - syntax highlighting
-Greg Knaddison - robots.txt
-MrKooky - HTML5 markup, CSS cleanup
-Simon Rupf - MVC refactoring, configuration, i18n and unit tests
-Hexalyse - Password protection
-Viktor Stanchev - File upload support
-azlux - Tab character input support
-Adam Fisher - Favicons
+* Alexey Gladkov - syntax highlighting
+* Greg Knaddison - robots.txt
+* MrKooky - HTML5 markup, CSS cleanup
+* Simon Rupf - MVC refactoring, configuration, i18n and unit tests
+* Hexalyse - Password protection
+* Viktor Stanchev - File upload support
+* azlux - Tab character input support
+* Adam Fisher - Favicons
+* rugk - various stuff, fixes
 
 Translations:
-Hexalyse - French
-Kuba Niewiarowski - Polish
-Gabbalo - German
-Draky50110 - French
-Filip Muki Dobranić - Slovene
-Jiawei Zhou - Chinese
+* Hexalyse - French
+* Kuba Niewiarowski - Polish
+* Gabbalo - German
+* Draky50110 - French
+* Filip Muki Dobranić - Slovene
+* Jiawei Zhou - Chinese