4N - ORDINANCE RELATING TO THE RAPID TRANSIT SYSTEM-DEVELOPMENT ZONE; AMENDING SECTIONS 33C-2, 33C-3.1, AND 33C-3.3 OF THE CODE OF MIAMI-DADE COUNTY, FLORIDA; EXPANDING THE SMART CORRIDOR SUBZONE OF THE RAPID TRANSIT ZONE TO ENCOMPASS CERTAIN PRIVATE PROPERTY IN THE VICINITY OF SW 30 AVENUE AND SW 28 LANE LOCATED WITHIN A QUARTER MILE OF A PUBLIC TRANSIT STATION; PROVIDING PROCEDURES AND CRITERIA RELATED TO PUBLIC BENEFITS PROFFERS TO BE PROVIDED TO THE COUNTY AND ALLOWANCES FOR CERTAIN DEVELOPMENT BONUSES FOR CERTAIN PROPERTIES; PROVIDING SEVERABILITY, INCLUSION IN THE CODE, AND AN EFFECTIVE DATE