chore(): Reorganize modules (#7210)

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

packages/modules/store/src/models/index.ts

@@ -0,0 +1 @@
+export { default as Store } from "./store"

packages/modules/store/src/models/store.ts

@@ -0,0 +1,86 @@
+import {
+  DALUtils,
+  Searchable,
+  createPsqlIndexStatementHelper,
+  generateEntityId,
+} from "@medusajs/utils"
+
+import { DAL } from "@medusajs/types"
+
+import {
+  BeforeCreate,
+  Entity,
+  OnInit,
+  PrimaryKey,
+  Property,
+  Filter,
+  OptionalProps,
+} from "@mikro-orm/core"
+
+type StoreOptionalProps = DAL.SoftDeletableEntityDateColumns
+
+const StoreDeletedAtIndex = createPsqlIndexStatementHelper({
+  tableName: "store",
+  columns: "deleted_at",
+  where: "deleted_at IS NOT NULL",
+})
+
+@Entity()
+@Filter(DALUtils.mikroOrmSoftDeletableFilterOptions)
+export default class Store {
+  [OptionalProps]?: StoreOptionalProps
+
+  @PrimaryKey({ columnType: "text" })
+  id: string
+
+  @Searchable()
+  @Property({ columnType: "text", default: "Medusa Store" })
+  name: string
+
+  @Property({ type: "array", default: "{}" })
+  supported_currency_codes: string[] = []
+
+  @Property({ columnType: "text", nullable: true })
+  default_currency_code: string | null = null
+
+  @Property({ columnType: "text", nullable: true })
+  default_sales_channel_id: string | null = null
+
+  @Property({ columnType: "text", nullable: true })
+  default_region_id: string | null = null
+
+  @Property({ columnType: "text", nullable: true })
+  default_location_id: string | null = null
+
+  @Property({ columnType: "jsonb", nullable: true })
+  metadata: Record<string, unknown> | null = null
+
+  @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
+
+  @StoreDeletedAtIndex.MikroORMIndex()
+  @Property({ columnType: "timestamptz", nullable: true })
+  deleted_at: Date | null = null
+
+  @BeforeCreate()
+  onCreate() {
+    this.id = generateEntityId(this.id, "store")
+  }
+
+  @OnInit()
+  onInit() {
+    this.id = generateEntityId(this.id, "store")
+  }
+}