Revamp the authentication setup (#7419)

* feat: Add email pass authentication provider package

* feat: Revamp auth module and remove concept of scope

* feat: Revamp the auth module to be more standardized in how providers are loaded

* feat: Switch from scope to actor type for authentication

* feat: Add support for per-actor auth methods

* feat: Add emailpass auth provider by default

* fix: Add back app_metadata in auth module

packages/modules/auth/package.json

@@ -48,6 +48,7 @@
     "typescript": "^5.1.6"
   },
   "dependencies": {
+    "@medusajs/auth-emailpass": "0.0.1",
     "@medusajs/modules-sdk": "^1.12.9",
     "@medusajs/types": "^1.11.14",
     "@medusajs/utils": "^1.11.7",