[@D] Create Waste Pickup Order Location REST API For CRUD Operations

**Feature Description**
Create Waste Pickup Order Location REST API for CRUD operations and accompanying custom functions as indicated in project document

No files, tests, or entry points are named. Start by locating the project's existing REST APIs and the project document referenced in the issue, then confirm the waste pickup order location fields and custom functions. Done means the documented CRUD operations and custom functions are implemented and covered by the project's API tests.

Written by the indexing model from the issue text.