FreeBSD/doc f2eedef (r53127)share/xml events2019.xml

Add an entry for Rootconf and fix a contraction in a previous entry.

Submitted by:           Deb Goodkin
Approved by:            bcr
Event:                  Vienna Hackathon 2019
Differential Revision:  https://reviews.freebsd.org/D20564
DeltaFile
+27-1share/xml/events2019.xml
+27-11 files

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