feat: add point assignment for simple table

feat: add download atlas

maint: fixed tests

maint: reorganised about/help, updated checklist.md

interactive (atlas) viewer -> siibra explorer
HBP -> EBRAINS

feat: allow pt assignment

feat: allow multi region selection

maint: auto select human as default atlas

v2.10.3

fix: messaging swc files

fix re-add wire frame

fix most of tests

docs: update requirements
docs: added how to start local dev env