Consolidates to node-fetch 2.6.7 as Octokit requires v2

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

Uses webpack for all of it

Fixes issue with new typescript
Pins node version to match vscode's version (7.9)

Updates dependencies