Refactor scenario JSON files for improved readability and consistency

- Consolidated array elements in scenario_903.json, scenario_904.json, scenario_905.json, scenario_906.json, scenario_908.json, scenario_910.json, scenario_911.json, scenario_912.json, and scenario_913.json to single-line format for better clarity.
- Removed unnecessary line breaks and whitespace in availableGeneralCommand and events sections across multiple scenario files.
- Ensured consistent formatting of event definitions, particularly for destroy_nation and OpenNationBetting events.

.prettierrc

@@ -5,5 +5,13 @@
     "useTabs": false,
     "trailingComma": "es5",
     "printWidth": 120,
-    "endOfLine": "lf"
+    "endOfLine": "lf",
+    "overrides": [
+        {
+            "files": "app/game-engine/resources/scenario/*.json",
+            "options": {
+                "printWidth": 1000
+            }
+        }
+    ]
 }