added docs for prefix_number and prefix_street (#2172)
added docs for prefix_number and prefix_street (#2172)

* added docs for prefix_number and prefix_street

* updated function names, added backticks

davidchiles/openaddresses,astoff/openaddresses,mmdolbow/openaddresses,mmdolbow/openaddresses,sergiyprotsiv/openaddresses,orangejulius/openaddresses,sabas/openaddresses,astoff/openaddresses,astoff/openaddresses,slibby/openaddresses,sergiyprotsiv/openaddresses,openaddresses/openaddresses,tyrasd/openaddresses,mmdolbow/openaddresses,tyrasd/openaddresses,slibby/openaddresses,openaddresses/openaddresses,orangejulius/openaddresses,sabas/openaddresses,sergiyprotsiv/openaddresses,openaddresses/openaddresses,tyrasd/openaddresses,davidchiles/openaddresses,slibby/openaddresses,orangejulius/openaddresses,davidchiles/openaddresses,sabas/openaddresses