EcoAir Split Air Conditioner (#787)

* EcoAir Split Air Conditioner

Creating An EcoAir Split Type Air Conditioner set of codes (fan_only without temperature, auto without fanspeed)

* Rename 7750.json to 2960.json

Co-authored-by: Vassilis Panos <4130346+vassilis-panos@users.noreply.github.com>