Co-authored-by: Eric Amodio <eamodio@users.noreply.github.com>

Adds unit testing (just for the trie for now)

Moves eslint ignores into rc file
 Removes unused dev dependency

Giving up on better else/catch/finally formatting -- can't fight anymore
Switching to tabs for better accessibility
https://twitter.com/sh4na/status/1146837957200027648

Changes from out to dist
Adds size-plugin (commented out for now)
Adds image cache to improve bundle performance

Update Welcome content
Updates logo (polish)
Adds scss sorting rules

Also gracefully deals with the times when git isn't in the PATH

Removes typings (using npm instead)
Fixes some promise catches