Allow golang as an alias for Go code fences (#3221)
Allow golang as an alias for Go code fences (#3221)


stanhu/linguist,pchaigno/linguist,yyx990803/linguist,sebgod/linguist,pchaigno/linguist,JJ/linguist,MahmoudFayed/linguist,erkyrath/linguist,yyx990803/linguist,pchaigno/linguist,R4PaSs/linguist,JJ/linguist,stanhu/linguist,mwpastore/linguist,JJ/linguist,github/linguist,github/linguist,erkyrath/linguist,yyx990803/linguist,pchaigno/linguist,yyx990803/linguist,erkyrath/linguist,stanhu/linguist,mwpastore/linguist,tschf/linguist,github/linguist,christop/linguist,sebgod/linguist,erkyrath/linguist,sebgod/linguist,sebgod/linguist,github/linguist,R4PaSs/linguist,christop/linguist,stanhu/linguist,MahmoudFayed/linguist,JJ/linguist,tschf/linguist