feat: implement identity and security features

- Added account types and privileged account types constants.
- Created admin user controller for updating user security fields.
- Developed role assignment controller for managing user roles.
- Implemented validation middleware for request schemas.
- Defined user role and auth session models for database interactions.
- Created services for authentication, email notifications, and OTP handling.
- Developed OAuth service for Google and Apple authentication.
- Added JWT utility functions for token generation and verification.
- Implemented comprehensive tests for authentication, session management, and password policies.
- Created migration for updating user schema and adding new tables for auth sessions and user identities.

app/constants/accountTypes.js

@@ -0,0 +1,15 @@
+const ACCOUNT_TYPES = Object.freeze({
+  SUPER_ADMIN: "superadmin",
+  ADMIN: "admin",
+  MANAGER: "manager",
+  CUSTOMER: "customer",
+  BUSINESS_CUSTOMER: "business_customer",
+  RIDER: "rider",
+  SUPPORT_AGENT: "support_agent",
+});
+
+const PRIVILEGED_ACCOUNT_TYPES = Object.freeze([
+  ACCOUNT_TYPES.SUPER_ADMIN, ACCOUNT_TYPES.ADMIN, ACCOUNT_TYPES.MANAGER, ACCOUNT_TYPES.SUPPORT_AGENT,
+]);
+
+module.exports = { ACCOUNT_TYPES, PRIVILEGED_ACCOUNT_TYPES, ACCOUNT_TYPE_VALUES: Object.values(ACCOUNT_TYPES) };