update doc, bump up release 0.18.0 #558

Job	Run time
hil-hfp	1m 55s
set-matrix	3s
build (arm-gcc) / family (-b feather_nrf52840_express)	42s
build (arm-gcc) / family (-b max32666fthr)	1m 10s
build (arm-gcc) / family (-b metro_m4_express)	59s
build (arm-gcc) / family (-b lpcxpresso11u37)	33s
build (arm-gcc) / family (-b ra4m1_ek)	50s
build (arm-gcc) / family (-b raspberry_pi_pico)	2m 4s
build (arm-gcc) / family (-b raspberry_pi_pico2)	2m 9s
build (arm-gcc) / family (-b stm32f072disco)	42s
build (arm-gcc) / family (-b stm32f723disco)	52s
build (esp-idf) / family (-b espressif_p4_function_ev)	8m 12s
build (arm-gcc) / family (-b stm32f723disco -f1 CFG_TUH_DWC2_DMA_ENABLE)	50s
build (esp-idf) / family (-b espressif_p4_function_ev -f1 CFG_TUD_DWC2_DMA_ENABLE -f1 CFG_TUH_DWC2_DMA_ENABLE)	8m 33s
build (arm-gcc) / family (-b stm32h743nucleo)	1m 3s
build (esp-idf) / family (-b espressif_s3_devkitm)	7m 59s
build (arm-gcc) / family (-b stm32h743nucleo -f1 CFG_TUD_DWC2_DMA_ENABLE)	55s
build (esp-idf) / family (-b espressif_s3_devkitm -f1 CFG_TUD_DWC2_DMA_ENABLE)	8m 6s
build (arm-gcc) / family (-b stm32g0b1nucleo)	49s
hil-tinyusb	1s
	48m 27s

Provide feedback