docs: add scheduler option

Author: farioas

docs/source/guide/install_enterprise_docker.md

@@ -176,7 +176,7 @@ services:
       - ./mydata:/label-studio/data:rw
       - ./license.txt:/label-studio-enterprise/license.txt:ro
     working_dir: /label-studio-enterprise
-    command: [ "python3", "/label-studio-enterprise/label_studio_enterprise/manage.py", "rqworker", "low" ]
+    command: [ "python3", "/label-studio-enterprise/label_studio_enterprise/manage.py", "rqworker", "--with-scheduler", "low" ]
 
   rqworkers_default:
     image: heartexlabs/label-studio-enterprise:VERSION
@@ -188,7 +188,7 @@ services:
       - ./mydata:/label-studio/data:rw
       - ./license.txt:/label-studio-enterprise/license.txt:ro
     working_dir: /label-studio-enterprise
-    command: [ "python3", "/label-studio-enterprise/label_studio_enterprise/manage.py", "rqworker", "default"]
+    command: [ "python3", "/label-studio-enterprise/label_studio_enterprise/manage.py", "rqworker", "--with-scheduler", "default" ]
 
   rqworkers_high:
     image: heartexlabs/label-studio-enterprise:VERSION
@@ -200,7 +200,7 @@ services:
       - ./mydata:/label-studio/data:rw
       - ./license.txt:/label-studio-enterprise/license.txt:ro
     working_dir: /label-studio-enterprise
-    command: [ "python3", "/label-studio-enterprise/label_studio_enterprise/manage.py", "rqworker", "high" ]
+    command: [ "python3", "/label-studio-enterprise/label_studio_enterprise/manage.py", "rqworker", "--with-scheduler", "high"]
 
   rqworkers_critical:
     image: heartexlabs/label-studio-enterprise:VERSION
@@ -212,7 +212,7 @@ services:
       - ./mydata:/label-studio/data:rw
       - ./license.txt:/label-studio-enterprise/license.txt:ro
     working_dir: /label-studio-enterprise
-    command: [ "python3", "/label-studio-enterprise/label_studio_enterprise/manage.py", "rqworker", "critical" ]
+    command: [ "python3", "/label-studio-enterprise/label_studio_enterprise/manage.py", "rqworker", "--with-scheduler", "critical" ]
 ```
 
 3. Run Docker Compose: