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/README.md

@@ -0,0 +1,17 @@
+# Settings Module
+
+The settings module provides functionality for managing user preferences and configurations in Medusa.
+
+## Features
+
+- **View Configurations**: Save and manage table view configurations (column visibility, order, widths)
+- **User Preferences**: Store arbitrary user preferences in a key-value format
+- **System Defaults**: Admin users can set default configurations for all users
+
+## Module Options
+
+```js
+const settingsModuleOptions = {
+  // Module options can be added here if needed
+}
+```