try upgrade Compose library version & let Android Studio 4.0.X~4.1.X support

[CMingTseng]

Dear Sir

I try modify Compose library version (because your demo some library is old )

but i stop ar MainScreen.kt

because some fun modify & remove

can help modify it ?

PS. i let this demo can run at AS 4.0.X ~4.1.X

THX