Search API endpoint implementation

[sidolov]

Description

• Define an interface for the API endpoint
• Implement request builder
• Define request builder configuration is defined in XML and extensible for 3d party developers:
  • Filters configuration
  • Sorting configuration
  • Pagination configuration
• Define GET web-api endpoint for search
• Cover endpoints with the unit, web-api integration tests

Documentation

Story: User accesses stock images from Magento Admin
Design document: Adobe Stock Image Search Design

QA notes

• User can view 32 images from Adobe Stock
• Tests are passing

[kkdg]

Working on this,