Add 'Credit' section to README. [skip ci]
Add 'Credit' section to README. [skip ci]

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