update readme.md
update readme.md

sg-/FlashAlgo,stevew817/FlashAlgo,0xc0170/FlashAlgo,sg-/FlashAlgo,0xc0170/FlashAlgo,sg-/FlashAlgo,mbedmicro/FlashAlgo,0xc0170/FlashAlgo,stevew817/FlashAlgo,stevew817/FlashAlgo,mbedmicro/FlashAlgo,mbedmicro/FlashAlgo