feat: fetching regional datasets now uses siibra-api

bugfix: regional receptor distribution

Dev conn 2 api

chore: fixed receptor rendering condition

chore: hard code layer name for backwards compat

Co-authored-by: Xiao Gui <xgui3783@gmail.com>
Co-authored-by: Daviti Gogshelidze <daviti1@mail.com>

chore: rework api call to siibra

* chore: added auto deploy

* update ci

* bugfix: fix envvar

* chore: update deploy script

* update github action

* chore: fix deploy script

* chore: fix backend urls

* chore: fix backendurl in userconfigstate

* chore: update to favicons

chore: side nav panel state persist on browse dataset

* chore: update doc
chore: added github action on building docker image

* chore: remove set-env from gha

* chore: fix typo in gha

* bugfix: gha typo

* bugfix: checkout repo first to allow rev parse

* bugfix: chown to low privilege user

* bugfix: typo in chown dir name

* bugfix: use double quotes for token & username

chore: side nav panel state

[chore] minor fixes