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.

app/game-engine/resources/scenario/scenario_2140.json

@@ -477,19 +477,7 @@
     ],
     "general_ex": [],
     "cities": [],
-    "history": [
-        "<C>●</>180년 1월:<L><b>【이벤트】</b></>제작자: 세정.",
-        "<C>●</>180년 1월:<L><b>【가상모드13】</b>걸그룹대전</>",
-        "<C>●</>180년 1월:<L><b>【이벤트】</b></>최고의 걸그룹을 가린다! (2022. 4. 20.)"
-    ],
+    "history": ["<C>●</>180년 1월:<L><b>【이벤트】</b></>제작자: 세정.", "<C>●</>180년 1월:<L><b>【가상모드13】</b>걸그룹대전</>", "<C>●</>180년 1월:<L><b>【이벤트】</b></>최고의 걸그룹을 가린다! (2022. 4. 20.)"],
     "initialEvents": [],
-    "events": [
-        [
-            "destroy_nation",
-            1000,
-            ["and", ["Date", ">=", 183, 1], ["RemainNation", "==", 1]],
-            ["BlockScoutAction"],
-            ["DeleteEvent"]
-        ]
-    ]
+    "events": [["destroy_nation", 1000, ["and", ["Date", ">=", 183, 1], ["RemainNation", "==", 1]], ["BlockScoutAction"], ["DeleteEvent"]]]
 }