* WIP - build tenant indexes concurrently
* adds local dev seeders and readme for indexer
* update logging and adds locking in getShard()
* update logs
* Adds Namespaces func. Initializes index after ResourceServer is created.
* fixes Count() and updates test lint issues
* Initialize index separately. Don't do it when creating the resource server. Makes testing really awkward.
* fix lint error
* handles error when getting namespaces
* updates test and index helper funcs