Separate the domain fronted requests from Moat

Lox is doing domain fronted requests as well, so we could reuse the code, but it'd be easier if we moved it to a separate file than Moat.sys.mjs.

added 13.5 stable Doing Sponsor 96 labels

assigned to @pierov

mentioned in merge request !882 (merged)

marked this issue as related to tor-browser-build#41051 (closed)

added Feature label

added All Platforms label

closed

removed Doing label