feat: add settings module (#13175)

* feat: add view_configurations feature flag

  - Add feature flag provider and hooks to admin dashboard
  - Add backend API endpoint for feature flags
  - Create view_configurations feature flag (disabled by default)
  - Update order list table to use legacy version when flag is disabled
  - Can be enabled with MEDUSA_FF_VIEW_CONFIGURATIONS=true env var

* fix: naming

* fix: feature flags unauthenticated

* fix: add test

* feat: add settings module

* fix: deps

* fix: cleanup

* fix: add more tetsts

* fix: rm changelog

* fix: deps

* fix: add settings module to default modules list

* fix: pr comments

* fix: deps,build

* fix: alias

* fix: tests

* fix: update snapshots

packages/modules/settings/src/index.ts

@@ -0,0 +1,7 @@
+import { SettingsModuleService } from "@/services"
+import { Module } from "@medusajs/framework/utils"
+import { Modules } from "@medusajs/utils"
+
+export default Module(Modules.SETTINGS, {
+  service: SettingsModuleService,
+})