Add STM32F030CCT6 IAP example code

[xiezhoubin]

I have tried to write the STM32F030CCT6 IAP function, but have not been successful. I hope the official website can provide example code.

[fpistm]

Hi @xiezhoubin

this kind of request is not an issue that's why I convert it as a discussion, you can also use the forum to request help form other member.
Unfortunately, I have no time to address such request.