Updated introduction to include the research sources and added them as Informative References
Updated external RFC/Section and Internal section linking with xref values throughout the document i.e.
<xref target="RFC4122"/><xref target="RFC4122" sectionFormat="comma" section="4.1.5"/><xref target="uuidv7layout"/>
Updated k-sortable verbiage
Added .txt and .html outputs from xml2rfc for this commit
Gave the README a fresh coat of paint (moved old one to old drafts folder)
<xref target="RFC4122"/>
<xref target="RFC4122" sectionFormat="comma" section="4.1.5"/>
<xref target="uuidv7layout"/>