Revert "Stop publish examples to mongoose repo"
This reverts commit 1a17e17c462bdd4e1d26d8742f8b7087273e04c2.
Fix STM32F4_CC3100 Mongoose example compilation
Fix stm32f4_cc311 example and add it to CI
The build has been broken because MQTT has been disabled during some refactoringbut never caught because this example was never built on CI.
Add STM32F4/CC3100 example & Co