doc: add Rainux Luo to the AUTHORS section
doc: add Rainux Luo to the AUTHORS section

Signed-off-by: Wincent Colaiuta <win@wincent.com>

(cherry picked from commit 3806bb09f7ffcb7a16225a0856d1f0d061bc1015)

Conflicts:

	doc/command-t.txt

tmeusburger/Command-T,vrkansagara/command-t,vrkansagara/command-t,1234-/command-t,lencioni/command-t,yrro/command-t,lencioni/command-t,wincent/command-t,tmeusburger/Command-T,nkpart/command-t,besarthoxhaj/command-t,supriyantomaftuh/command-t,simichaels/dotfiles,nkpart/command-t,tmeusburger/Command-T,wincent/command-t,yrro/command-t,besarthoxhaj/command-t,1234-/command-t,mtimkovich/command-t,mtimkovich/command-t,wincent/command-t,nkpart/command-t,simichaels/dotfiles,supriyantomaftuh/command-t