lot_i2c 0.4.0

`lot_i2c` is a library to communicate with i2c slave devices.

0.4.0

• linux: lot*i2c_plugin: add lot_i2c*\*functions tohandle_method_call
• lib: src: lot_i2c_channel: init
• lib: src: i2c: change ffi to MethodChannel
• ffigen: change name

0.3.0

• Change package name from flutter_i2c to lot_i2c
• lib: src: i2c: remove final from device
• lib: src: i2c: set fd to private and remove final
• lib: src: i2c: set _fd to -1 after dispose()
• lib: src: i2c: change init() from returning bool to throwing error

0.2.0

• lib: src: add readByteReg() and readByteListReg()
• lib: src: add writeByteReg() and writeByteListReg()
• ffigen: exclude all macro

0.1.0

• Change MethodChannel to ffi
• linux: lot_i2c: add init() and dispose()
• linux: lot_i2c: add transmit(), receive() and transceive()