fix: use npm ipfs (#3)

This uses the IPFS we install from npm instead of the CDN for code deduping wins. Also included are a few cleanups to `package.json` and a fix to make parcel do relative URLs.

All I had to do to fix the build error was configure `browserslist`.

License: MIT
Signed-off-by: Alan Shaw <[email protected]>

Author: Alan Shaw