add api reference for setu-bav (#196)

* add api-refernce for bav-penny less

* correct description

* add mdx path to api reference penny-less

* add api reference for setu-bav

* Update description and pattern

* Update desc and pattern

* Update menuitems

* Fix payload of SQR and DQR

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Co-authored-by: rahul roy <rahul@setu.co>
Co-authored-by: Aditya Gannavarapu <adityagannavarapu.67@gmail.com>

Author: 3 people