chore(): Reorganize modules (#7210)

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

packages/modules/promotion/src/models/application-method.ts

@@ -0,0 +1,125 @@
+import {
+  ApplicationMethodAllocationValues,
+  ApplicationMethodTargetTypeValues,
+  ApplicationMethodTypeValues,
+  BigNumberRawValue,
+  DAL,
+} from "@medusajs/types"
+import {
+  BigNumber,
+  DALUtils,
+  MikroOrmBigNumberProperty,
+  PromotionUtils,
+  generateEntityId,
+} from "@medusajs/utils"
+import {
+  BeforeCreate,
+  Collection,
+  Entity,
+  Enum,
+  Filter,
+  Index,
+  ManyToMany,
+  OnInit,
+  OneToOne,
+  OptionalProps,
+  PrimaryKey,
+  Property,
+} from "@mikro-orm/core"
+import Promotion from "./promotion"
+import PromotionRule from "./promotion-rule"
+
+type OptionalFields =
+  | "value"
+  | "max_quantity"
+  | "apply_to_quantity"
+  | "buy_rules_min_quantity"
+  | "allocation"
+  | DAL.SoftDeletableEntityDateColumns
+
+@Entity({ tableName: "promotion_application_method" })
+@Filter(DALUtils.mikroOrmSoftDeletableFilterOptions)
+export default class ApplicationMethod {
+  [OptionalProps]?: OptionalFields
+
+  @PrimaryKey({ columnType: "text" })
+  id!: string
+
+  @MikroOrmBigNumberProperty({ nullable: true })
+  value: BigNumber | number | null = null
+
+  @Property({ columnType: "jsonb", nullable: true })
+  raw_value: BigNumberRawValue | null = null
+
+  @Property({ columnType: "numeric", nullable: true, serializer: Number })
+  max_quantity?: number | null = null
+
+  @Property({ columnType: "numeric", nullable: true, serializer: Number })
+  apply_to_quantity?: number | null = null
+
+  @Property({ columnType: "numeric", nullable: true, serializer: Number })
+  buy_rules_min_quantity?: number | null = null
+
+  @Index({ name: "IDX_application_method_type" })
+  @Enum(() => PromotionUtils.ApplicationMethodType)
+  type: ApplicationMethodTypeValues
+
+  @Index({ name: "IDX_application_method_target_type" })
+  @Enum(() => PromotionUtils.ApplicationMethodTargetType)
+  target_type: ApplicationMethodTargetTypeValues
+
+  @Index({ name: "IDX_application_method_allocation" })
+  @Enum({
+    items: () => PromotionUtils.ApplicationMethodAllocation,
+    nullable: true,
+  })
+  allocation?: ApplicationMethodAllocationValues
+
+  @OneToOne({
+    entity: () => Promotion,
+    onDelete: "cascade",
+  })
+  promotion: Promotion
+
+  @ManyToMany(() => PromotionRule, "method_target_rules", {
+    owner: true,
+    pivotTable: "application_method_target_rules",
+    cascade: ["soft-remove"] as any,
+  })
+  target_rules = new Collection<PromotionRule>(this)
+
+  @ManyToMany(() => PromotionRule, "method_buy_rules", {
+    owner: true,
+    pivotTable: "application_method_buy_rules",
+    cascade: ["soft-remove"] as any,
+  })
+  buy_rules = new Collection<PromotionRule>(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
+
+  @Property({ columnType: "timestamptz", nullable: true })
+  deleted_at: Date | null = null
+
+  @BeforeCreate()
+  onCreate() {
+    this.id = generateEntityId(this.id, "proappmet")
+  }
+
+  @OnInit()
+  onInit() {
+    this.id = generateEntityId(this.id, "proappmet")
+  }
+}