feat(BE-34): extend DB schema and update master data APIs [partial]

✅ DB Schema: product_warehouse entity and migration
✅ Master Data: added filter params to getall APIs
🚧 Pending: stock_logs implementation and adjustment APIs

internal/modules/inventory/module.go

@@ -0,0 +1,13 @@
+package inventory
+
+import (
+	"github.com/go-playground/validator/v10"
+	"github.com/gofiber/fiber/v2"
+	"gorm.io/gorm"
+)
+
+type InventoryModule struct{}
+
+func (InventoryModule) RegisterRoutes(router fiber.Router, db *gorm.DB, validate *validator.Validate) {
+	RegisterRoutes(router, db, validate)
+}