Strapi BPP Beckn adapter architecture

## Description

Create architecture for the Strapi BPP adapter that will be used for becknifying the Strapi BPP.

## Goals

- [ ] Creation of Strapi BPP adapter architecture.
- [ ] Architecture that is reusable with new domains with minimal changes

## Expected Outcome

Architecture document for Strapi BPP adapter that will serve as the foundation for the development of BPP adapter.

## Acceptance Criteria

- [ ] Document clearly explaining the architecture, data flow, how new domains will be included, and the approach for developing the Strapi BPP adapter.

## Implementation Details

NA

## Mockups / Wireframes

Current BPP adapter - https://github.com/beckn/bpp-adapter.

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### Product Name

Strapi BPP adapter

### Project Name

strapi-plugins

### Organization Name:

FIDE

### Domain

NA

### Tech Skills Needed:

Strapi
Node

### Complexity

High

### Category

Architecture
Documentation

### Sub Category

System design