simplify readme
simplify readme

ErykB2000/koan,nishant8BITS/koan,0111001101111010/koan,ckknight/inkling,kristianmandrup/koan,SamLebarbare/Sushi,p1nox/tristanjs,soygul/koan,bneiluj/koan,SamLebarbare/Sushi,bneiluj/koan,nishant8BITS/koan,kristianmandrup/koan,soygul/koan,ErykB2000/koan,SamLebarbare/Sushi,soygul/nbusy,nbusy/nbusy