MSC3666: Bundled aggregations for server side search (#3666)
* Initial commit.
* MSC number.
* Link to the current specification.
Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
* Clarify that this is a change (and not part of MSC2675).
Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
* Remove extra work.
Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
* Add missing slashes and some links.
Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>