[doc] Add documentation for rewriters.
[doc] Add documentation for rewriters.

z-10/winston,unlucio/winston,harriha/winston,s-panferov/winston,dustinblackman/winston,aquavitae/winston,alinex/winston,rakesh-mohanta/winston,beni55/winston,winstonjs/winston,tobli/winston,megastef/winston,wancharle/winston,whismat/winston,get-trucked/winston,psquickitjayant/winston,nikolas/winston,winstonjs/winston,modulexcite/winston,DenisGorbachev/winston,SmartNode-es/winston,thaliproject/winston,paulhroth/winston,jjmleiro/winston