Merge branch 'htilquin/b2stautau_for_run3_tests' into 'master'
Added b2stautau decfiles for Run 3 HLT2 line tests
See merge request !931 (merged)
(cherry picked from commit 192be18c)
a5676d20 Added b2stautau decfiles for Run 3 HLT2 line tests f6942125 Updated documentation