Fix anchor links in README.
Fix anchor links in README.

cyberwolfru/mina,Zhomart/mina,scalp42/mina,mfinelli/mina,stereodenis/mina,flowerett/mina,ianks/mina,openaustralia/mina,cyberwolfru/mina,allantatter/mina,ianks/mina,dcalixto/mina,scalp42/mina,Zhomart/mina,estum/mina,allantatter/mina,whhx/mina,dcalixto/mina,chip/mina,flowerett/mina,whhx/mina,mfinelli/mina,openaustralia/mina,estum/mina