Osceola County and a tech firm that is yet to be revealed have not reached a final agreement for the company to build an innovation center on NeoCity's growing high-tech campus. The county's board of commissioners on Oct. 1 approved a 40-day extension for its memorandum of understanding with Project Villach — a code name for a company looking to open a location at NeoCity. Osceola first approved the memorandum of understanding — which is similar to a letter of intent — with the unknown firm…