Adding support for having clause

Adding support for having clause in meerkat core

DBM Query Cancellation

Add support for query cancellation in DBM

Removed braces for alias

fix: removed braces for alias (#52)

* removed braces for alias

* updated test cases

* bumped up package.json versions

Add DBM shutdown lock

v0.0.606

add: shutdown lock method (#50)

Add Bulk Json Register

feat: add bulk json register (#49)

* add: bulk register

* add: test

* bump: version

* fix: test

Exporting Duckdb Class from Node

chore: export duckdb Singleton (#48)

* chore: export duckdb Singleton

* bump version

* nit fix

Add Json register support in DBM

feat: add support for json register (#47)

* add: json method

* add: helper

* update: path

* add: tests

* rever: prettier change

* add: events and logger

* update: comments

* add: json in metadata

* remove: params

* add: comments

* resolve: comment

* change: method

* nit: changes

* add: tests

* fix: test

* address: comments

* remove: type

* revert: settings

* update: test

* change: json

Add DBM table metadata support

Add DBM table metadata support

fix: Meerkat filter param bug

fix: filter params being replaced by undefined (#44)

* fix: filter params being replaced by undefined

* update tests

* bump versions

Better memory swapping in DBM & IndexDB

Managing file in duckdb for better swapping  (#42)

* WIP

* Adding max allowed memory in file

* Fix test

* Adding test

* Upgrade version

* Update comments