* promote doc_fragments into actual plugins
change tests hardcoded path to doc fragments
avoid sanity in fragments
avoid improper testing of doc_fragments
also change runner paths
fix botmeta
updated comment for fragments
updated docs
* Simplify the requirement section to avoid duplicating info already in mysql_document_fragment.
* Package installation section simplified, mentioned RHEL; a typo fix in "than".
* added dnf for Fedora