* Add Indexes to Schema API
* error handling
* ci errors
* postgres support
* full text compound indexes
* pg clean up
* get indexes on startup
* test compound index on startup
* add default _id to index, full Text index on startup
* lint
* fix test
* Full Text Support
* invalid input test
* Support for sort
* index exist test
* clean up
* better error messaging
* postgres support
* error instructions for $diacritic and $case sensitivity
* nit
* nit
* nit
* separate test for full text