Accessories maker Logitech has extended its line of Harmony remote controls to include a new “Harmony Smart Keyboard” that the company is aiming for the growing number of non-computer “smart devices” around the home — particularly “living room” devices like Apple TVs, video game consoles, audio systems and digital video recorders, among others. Logitech says the keyboard is compatible with 225,000 home-entertainment devices covering 5,000 brands….