Start moving ray internal files to _private module (#10994)

doc/source/configure.rst

@@ -180,7 +180,7 @@ One of most common attack with Redis is port-scanning attack. Attacker scans
 open port with unprotected redis instance and execute arbitrary code. Ray
 enables a default password for redis. Even though this does not prevent brute
 force password cracking, the default password should alleviate most of the
-port-scanning attack. Furtheremore, redis and other ray services are bind
+port-scanning attack. Furthermore, redis and other ray services are bind
 to localhost when the ray is started using ``ray.init``.
 
 See the `Redis security documentation <https://redis.io/topics/security>`__