chore: introduce the script_order notion in the documentation

docs/customization/custom-scripts.md

@@ -45,6 +45,20 @@ Defining script variables is optional: You may create a script with only a `run(
 
 Any output generated by the script during its execution will be displayed under the "output" tab in the UI.
 
+By default, scripts within a module are ordered alphabetically in the scripts list page. To return scripts in a specific order, you can define the `script_order` variable at the end of your module. The `script_order` variable is a tuple which contains each Script class in the desired order. Any scripts that are omitted from this list will be listed last.
+
+```python
+from extras.scripts import Script
+
+class MyCustomScript(Script):
+    ...
+
+class AnotherCustomScript(Script):
+    ...
+
+script_order = (MyCustomScript, AnotherCustomScript)
+```
+
 ## Module Attributes
 
 ### `name`