Fix oauth2 (for real) (#179)

[akkoma] / test / fixtures / tesla_mock / sdf.org_host_meta

<?xml version="1.0" encoding="UTF-8"?>
<XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0">
  <Link rel="lrdd" type="application/xrd+xml" template="https://mastodon.sdf.org/.well-known/webfinger?resource={uri}"/>
</XRD>