Specification for "Subresource Loading with Web Bundles"

[hayatoito]

The context is here: #699 (comment)

Let's use this issue to track our efforts to have a specification of Subresource loading with Web Bundles.

The specification includes, but not limited to:

• Monkey patches for HTML Standard
• Monkey patches for Fetch Standard
• and more...

[hayatoito]

Note: link to the spec (WIP).