* Use Boolean only instead of git add src/modules/auth/guard/organization-roles/organization-roles.guard.ts
* move tests next to files they test
* replace .. in import paths with absolute path
* camelCase instead of snake_case for access and refresh token variables
* user sanitize function Typescript friendly
* restructure oAuth clients folder: example for other folders
* restructure bookings module
* organize modules in auth, endpoints, repositories, services
* organize auth module
* organize repositories
* organize inputs
* rename OAuthClientGuard to OAuthClientCredentialsGuard
* add error messages
* add error messages
* clientId as param in oauth-flow & schema mapping
* camelCase instead of snake_case for clientId and clientSecret
* access token guard as passport strategy
* folder structure as features
* get rid of index files