Hello,
The current package guide for cargo gives you only the git index, with
the HTTP Index stabilized being used as default for crates.io and being
better for most use-cases.
However, it's not documented that gitea supports the sparse spec, and it
does not require the _crates-index git repo for the sparse api.
I personally think we should push users to use the sparse instead of the
git repository. (Even let users disable crates-index repos if they only
want to use sparse)
This PR cleans up the docs in a way to make them simpler to ingest by
our [docs repo](https://gitea.com/gitea/gitea-docusaurus).
1. It includes all of the sed invocations our ingestion did, removing
the need to do it at build time.
2. It replaces the shortcode variable replacement method with
`@variable@` style, simply for easier sed invocations when required.
3. It removes unused files and moves the docs up a level as cleanup.
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Signed-off-by: jolheiser <john.olheiser@gmail.com>