add server to monorepo.

packages/server/src/system/models/Subscriptions/PlanFeature.ts

@@ -0,0 +1,36 @@
+import { Model, mixin } from 'objection';
+import SystemModel from '@/system/models/SystemModel';
+
+export default class PlanFeature extends mixin(SystemModel) {
+  /**
+   * Table name.
+   */
+  static get tableName() {
+    return 'subscriptions.plan_features';
+  }
+
+  /**
+   * Timestamps columns.
+   */
+  static get timestamps() {
+    return ['createdAt', 'updatedAt'];
+  }
+
+  /**
+   * Relationship mapping.
+   */
+  static get relationMappings() {
+    const Plan = require('system/models/Subscriptions/Plan');
+
+    return {
+      plan: {
+        relation: Model.BelongsToOneRelation,
+        modelClass: Plan.default,
+        join: {
+          from: 'subscriptions.plan_features.planId',
+          to: 'subscriptions.plans.id',
+        },
+      },
+    };
+  }
+}