Line endings: LF everywhere

.gitattributes forces LF (CRLF only for .bat/.cmd), core.autocrlf is off;
files that differed only by CRLF are normalized.

scenes/town_entry.json

@@ -1,6 +1,6 @@
-{
-  "name": "town_entry",
-  "defaultBackground": ["town/town_entry_0", "town/town_entry_1", "town/town_entry_2", "town/town_entry_3", "town/town_entry_4"],
-  "defaultAmbient": "",
-  "defaultScenario": "scenarios/town/town_entry_default.scenario"
-}
+{
+  "name": "town_entry",
+  "defaultBackground": ["town/town_entry_0", "town/town_entry_1", "town/town_entry_2", "town/town_entry_3", "town/town_entry_4"],
+  "defaultAmbient": "",
+  "defaultScenario": "scenarios/town/town_entry_default.scenario"
+}