Fluid Solver in WebAssembly

Quick experiment in learning how to compile an existing application to WebAssembly.

Based on A Simple Fluid Solver Based on the FFT by Jos Stam, original code at https://github.com/erich666/jgt-code/blob/master/Volume_06/Number_2/Stam2001

Compile using make, then open index.html. Requires Emscripten.