chore(): Reorganize modules (#7210)

**What**
Move all modules to the modules directory

packages/modules/order/src/models/shipping-method.ts

@@ -0,0 +1,100 @@
+import { BigNumberRawValue } from "@medusajs/types"
+import {
+  BigNumber,
+  createPsqlIndexStatementHelper,
+  generateEntityId,
+  MikroOrmBigNumberProperty,
+} from "@medusajs/utils"
+import {
+  BeforeCreate,
+  Cascade,
+  Collection,
+  Entity,
+  OneToMany,
+  OnInit,
+  PrimaryKey,
+  Property,
+} from "@mikro-orm/core"
+import ShippingMethodAdjustment from "./shipping-method-adjustment"
+import ShippingMethodTaxLine from "./shipping-method-tax-line"
+
+const ShippingOptionIdIndex = createPsqlIndexStatementHelper({
+  tableName: "order_shipping_method",
+  columns: "shipping_option_id",
+})
+
+@Entity({ tableName: "order_shipping_method" })
+export default class ShippingMethod {
+  @PrimaryKey({ columnType: "text" })
+  id: string
+
+  @Property({ columnType: "text" })
+  name: string
+
+  @Property({ columnType: "jsonb", nullable: true })
+  description: string | null = null
+
+  @MikroOrmBigNumberProperty()
+  amount: BigNumber | number
+
+  @Property({ columnType: "jsonb" })
+  raw_amount: BigNumberRawValue
+
+  @Property({ columnType: "boolean" })
+  is_tax_inclusive = false
+
+  @Property({
+    columnType: "text",
+    nullable: true,
+  })
+  @ShippingOptionIdIndex.MikroORMIndex()
+  shipping_option_id: string | null = null
+
+  @Property({ columnType: "jsonb", nullable: true })
+  data: Record<string, unknown> | null = null
+
+  @Property({ columnType: "jsonb", nullable: true })
+  metadata: Record<string, unknown> | null = null
+
+  @OneToMany(
+    () => ShippingMethodTaxLine,
+    (taxLine) => taxLine.shipping_method,
+    {
+      cascade: [Cascade.PERSIST],
+    }
+  )
+  tax_lines = new Collection<ShippingMethodTaxLine>(this)
+
+  @OneToMany(
+    () => ShippingMethodAdjustment,
+    (adjustment) => adjustment.shipping_method,
+    {
+      cascade: [Cascade.PERSIST],
+    }
+  )
+  adjustments = new Collection<ShippingMethodAdjustment>(this)
+
+  @Property({
+    onCreate: () => new Date(),
+    columnType: "timestamptz",
+    defaultRaw: "now()",
+  })
+  created_at: Date
+
+  @Property({
+    onCreate: () => new Date(),
+    onUpdate: () => new Date(),
+    columnType: "timestamptz",
+    defaultRaw: "now()",
+  })
+  updated_at: Date
+
+  @BeforeCreate()
+  onCreate() {
+    this.id = generateEntityId(this.id, "ordsm")
+  }
+  @OnInit()
+  onInit() {
+    this.id = generateEntityId(this.id, "ordsm")
+  }
+}