Adds VIATRA 2.6.0 M1 to the Simrel repo (late for 2021-09 M1)

Change-Id: I544a78dd21b7a3ea74809473c9d3a3b649405bff
Signed-off-by: Zoltan Ujhelyi <zoltan.ujhelyi@incquerylabs.com>
1 file changed