Update persian.rst (#806)
Update persian.rst (#806)

Integration with the new Persian alphabet file
kylepjohnson/cltk,cltk/cltk,TylerKirby/cltk,TylerKirby/cltk,diyclassics/cltk,LBenzahia/cltk,LBenzahia/cltk,D-K-E/cltk