Nqlstore

Added

- Added Mongo-like Dot notation for querying SQL and redis

Changed

- Added the `query` key-word parameter to the `find`, `update`, and `delete` for the mongo implementation
so that it is similar to the other interfaces
- Added the `embedded_models` key-word argument on the `Model` initializers for redis and mongodb
- Added the `relationships` key-word argument to the `Model` initializers for SQL

Changed

- Changed Github actions to run tests for each extra plus the `test` extra i.e. `[sql,test]`, `[redis,test]` etc.

Fixed

- Fixed Type annotations for `SQLModel`, `MongoModel`, `JsonModel`, `HashModel` and `EmbeddedJsonModel`
- Fixed import errors when only `sql` or `redis` or `mongo` extras are installed.

Added

- Added regex support for SQL

Changed

- Allowed update dicts without operators in mongo update implementation
- Enabled defining schemas once to be shared by different database technologies
- Disabled direct imports from `nqlstore.mongo`, `nqlstore.sql`, `nqlstore.redis`

Added

- Added support for redis
- Added support for MongoDB
- Added support for all SQL databases supported by [sqlalchemy](https://www.sqlalchemy.org/)
- Added a unified query format compatible with mongodb-style querying
- Added support for using both Mongo-like query format with the native query
format of the underlying database technology

Changed

Fixed