Update main.m

Added NikWalks() to simulate the tightrope walker
Nik Walks Function

Models Nik walking on the tightrope
Nik Walks adjusted
Revert "Power Point!!!!"

This reverts commit 26824e11c483d212153523133cd97ceb2f5091b2.
Revert "Nik Walks adjusted"

This reverts commit 2eaf40f90ec2437cad215a564cbee6e49e5bcd69.
Revert "Nik Walks Function"

This reverts commit b234cf8bf24fe88198ef05d2e5abe97bd37708f0.
NikWalks Function