Avon’s attempt at a high-density, town-owned housing option is moving forward again, nearly five years after the town first began planning apartments on its property. The Avon town council on Tuesday approved a $1.37 million design contract with Site Architects for what is now known as Avondale Apartments, a 40-unit project at 375 Yoder Ave. While the total cost of the project and how it will be financed is still being worked out, Community Deve…