Document how a VSCode user can configure their editor to auto-format
Clojure(Script) files that respect all the formatter (zprint) settings specified
in status-mobile/.zprintrc.
The result should be that on every file save, the file should be identically
formatted as if you used make lint-fix, at least the part about zprint. If
lint-fix does other things now or in the future that are outside the scope of
zprint, those won't be covered by the VSCode extension.
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