Issue #181 - Redefine network request in terms of Fetch

[miketaylr]

This is Part 1 of N commits to address #166.

It largely just links to existing Fetch concepts.

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[miketaylr]

PTAL @clelland

[miketaylr]

I want to call out #182 (comment) - I thought I left a comment, but I can't find it in the GitHub UI:

I think you're suggesting that HTTP-network fetch handles both of 1) not doing a "network request" from the cache, and 2) not referencing redirects explicitly, because HTTP-network fetch handles that, and prevents serving a redirect response from cache (thus, resulting in a "network request"). Is that correct? Or did I miss the point?

[miketaylr]

Couldn't find "HTTP-network fetch"

Guess it's not exported yet. 🤷

[clelland]

This looks good - one comment about some deleted text that could be useful as a note