Add a .desktop file, this is used by application launchers in order to
find and execute applications, this should be installed to
`/usr/share/applications/org.openmoh.openmohaa.desktop`.
Add appstream metainfo, this provides metainfo that is used by Software
Centers for discoverability, this should be installed to
`/usr/share/metainfo/org.openmoh.openmohaa.metainfo.xml`.
This will open the door to getting OpenMoHAA packaged up by various
linux distros.
