Dinkin around.

References:

- https://github.com/bitnom/nim-to-wasm-guide
- https://github.com/planetis-m/naylib


If on arch, may need to add `/usr/lib/emscripten` to your path, and hard link
`emar.py` to `emar`, along with `tools/file_packager.py` to
`tools/file_packager` for some reason.