update readme

see src/plugin/{README,MIGRATION}.md for deteails

fix: add stories interactions
todo: temporarily disable plugin api tests
chore: removed pure constant svc, and reorg constants
chore: updated some dep

set max height of descriptions to show rich elements
fix mkdocs configuration
fix docs links
temporarily disabled explore in other templates

chore: abstractify annotation service
bugfix: sapi region -> getFeatures now includes spatial feat
bugfix:  ieeg now sort by dataset
chore: udpate sapi schema
chore: move splashscreen to sapiviews/core/atlas
feat: added ieeg rich dataset support
chore: abstractify tree control
bugfix: race condition in encoding state in url
chore: added hooks when atlas/tmpl/parc changes
chore: remove unused var/methods
chore: updated get sapi schema script

fix favicons
added build debug messages

chore: removed unnessary refresh UI

chore: added saneurls
chore: improv build

hotfix: temporarily use up to date mebrains endpoint

This reverts commit d0d12c0a, reversing
changes made to 059002ea.

feat: local nifti control