| ⇢ | A | HealthCheckController added |
| ⇢ | A | HealthCheckController.all() added | |
| ⇢ | A | HealthCheckController.test_smtp() added | |
| ⇢ | A | HealthCheckController.email_check() added | |
| ⇢ | A | HealthCheckController.database_check() added | |
| ⇢ | A | HealthCheckController.cache_check() added |