[build tools] Parcel or Bankai

[joeyklee]

Some really cool webpack bundler wrappers that are basically zero config:

• Parcel: https://parceljs.org/getting_started.html
• Bankai: https://github.com/choojs/bankai

[joeyklee]

added a web compiler guide - I don't think we're going to get to this, but I'll make some notes in case people are curious/keen.