Use larch module directly in EJ extractions (#11)

* Larch module directly added in EJ extractions

* Update EJ_extractions notebook

---------

Co-authored-by: rajashree_dahal-at-278255066410 <RajashreeDahal4>
Co-authored-by: NISH1001 <[email protected]>

Author: RajashreeDahal4