v0.2.18 - Unify example code's printf style (#57)

v0.2.18 Date: 2024/04/01, Developer: Chunglee_people
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### Added
- New product: EthanIA, EthanP, EthanEXD, WifiDAQE3AH
- Verify EDriveST example code
- Add the argument of `port` in relay relatie API
- Example code: get_serial_number.cs, set_and_get_RTC.cs, DPOT_readByChannel.cs, DPOT_writeAllChannels.cs
- Error code: -8401 (AHRS mode), -8105 (relay port), -9300 (DPOT port), -9301 (DPOT channel)
- image: product-EthanIA.jpg, product-EthanEXD.jpg, product-EthanP.jpg
- image: pinmap-EthanIA.jpg, pinmap-EthanEXD.jpg, pinmap-EthanP.jpg

### Fixed
- Update example code: EDriveST
- Sync API description with Python
- Unify example code's printf style
- Modify the API description of Motion_cfgLimit `en_forward` and `en_reverse`
- Modify the API description of Motion_getProcessState