1.1.2

1. Add examples: MQTTClient,FS
2. Fix examples compilation fail in T3, T5
3. Add upload speed options in Arduino IDE
4. Fix I2C setSDA() and setSCL() methods return error

1.1.1

1. T3, T5 chips support MAC compilation
2. Optimize compilation scripts, file directories
3. Update the tyutool, support T3, T5 upload
4. Add make_baord.py, supports automatic board.txt generation