Add tvOS target to podspec.
Add tvOS target to podspec.

Swinject/Swinject,yoichitgy/Swinject,yoichitgy/Swinject,yoichitgy/Swinject,Swinject/Swinject,Swinject/Swinject,Swinject/Swinject,yoichitgy/Swinject