change setup.sh

Author: ozRunAI

docs/admin/runai-setup/self-hosted/k8s/preparations.md

@@ -48,7 +48,7 @@ Follow the prerequisites as explained in [Self-Hosted installation over Kubernet
     Run the following script (you must dockerd installed and at least 20GB of free disk space to run): 
 
     ```  
-    ./prepare_installation.sh
+    ./setup.sh
     ```
 
     If Docker is configured to [run as non-root](https://docs.docker.com/engine/install/linux-postinstall/#manage-docker-as-a-non-root-user){target=_blank} then `sudo` is not required.

docs/admin/runai-setup/self-hosted/ocp/preparations.md

@@ -44,7 +44,7 @@ See the Prerequisites section [above](prerequisites.md).
     Run the following script (you must have at least 20GB of free disk space to run): 
 
     ```  
-    ./prepare_installation.sh
+    ./setup.sh
     ```
 
     (If docker is configured to [run as non-root](https://docs.docker.com/engine/install/linux-postinstall/#manage-docker-as-a-non-root-user){target=_blank} then `sudo` is not required).