Add swift-stm32c011-examples to Community Examples section

[xtremekforever]

I created some examples for the STM32C0116-DK:

https://github.com/xtremekforever/swift-stm32c011-examples

Can these be added as to the Community Examples section of the README as well?

[rauhul]

Please open a PR with this link :)

[xtremekforever]

#81