Sort the maintainers list

.DEREK.yml

 maintainers:
+ - BurtonR
+ - LucasRoesler
+ - affix
  - alexellis
- - stefanprodan
- - rgee0
+ - ewilde
+ - ivanayov
  - johnmccabe
- - LucasRoesler
- - BurtonR
  - kenfdev
- - ivanayov
- - viveksyngh
  - martindekov
- - ewilde
- - bartsmykla
- - s8sg
- - affix
- - zeerorg
  - matipan
+ - rgee0
+ - s8sg
+ - stefanprodan
+ - viveksyngh
  - zeerorg
 
 features: