feat: added new mebrains
added mebrains (new tmpl and temporary parcellation) to siibra conf
integrating output from https://jugit.fz-juelich.de/siibra/20230313-mebrains-parcellations-json
Edited by Gui, Xiaoyun
added mebrains (new tmpl and temporary parcellation) to siibra conf
integrating output from https://jugit.fz-juelich.de/siibra/20230313-mebrains-parcellations-json