update manual

create manual

update CH32V003(TSSOP20)

create CH32V003(TSSOP20)

update config.c

create config.c

update buttons.c

create buttons.c

update encoder.c

create encoder.c

update main.c

create main.c

update i2c_slave.h

create i2c_slave.h

update buttons.h

create buttons.h

update encoder.h

create encoder.h

update config.h