Update README.md

README.md

 # FluidSimulation
 WebGL shader for mixed grid-particle fluid simulation
 
-Live demo at <a href="http://git.amandaghassaei.com/FluidSimulation/" target="_blank">git.amandaghassaei.com/FluidSimulation/</a>
+Live demo at <a href="https://amanda.pages.cba.mit.edu/FluidSimulation/" target="_blank">amanda.pages.cba.mit.edu/FluidSimulation/</a>
 
 This simulation solves the <a href="https://en.wikipedia.org/wiki/Navier%E2%80%93Stokes_equations" target="_blank">Navier-Stokes equations</a> for incompressible fluids in a GPU fragment shader.
 I implemented <a href="https://en.wikipedia.org/wiki/No-slip_condition" target="_blank">no-slip boundary conditions</a> at the borders to keep the fluid contained within the bounds of the screen.