Update `README` instructions on how to access Secure Agent's file system - WISCALERTS-2
Updated docs to show how to mount Secure Agent's EFS file system.
Improve security with one click by enabling Secret Push Protection for your projects: https://docs.gitlab.com/ee/user/application_security/secret_detection/secret_push_protection/#enable-secret-push-protection-in-a-project
Updated docs to show how to mount Secure Agent's EFS file system.