feat: add warehouse and bin management API with mock data implementation

- Implemented warehouses API with methods for listing, creating, and managing bins.
- Added wastage API to handle stock write-offs and integrate with stock adjustments.
- Created auth token management for storing and retrieving access tokens.
- Developed error mapping for consistent user-facing error messages.
- Introduced client-side validations for GRN, master data, and procurement processes.
- Defined common types for pagination, problem details, and various master data entities.
- Established procurement and stock management types to support frontend functionality.

Frontend/erp-system/next.config.ts

@@ -1,10 +0,0 @@
-import type { NextConfig } from "next";
-import path from "path";
-
-const nextConfig: NextConfig = {
-  turbopack: {
-    root: path.join(__dirname),
-  },
-};
-
-export default nextConfig;