feat(data): add robust ModLoader support with priority resolution and in-memory conversion

resource/dist/ModelExtras.ini

@@ -76,6 +76,7 @@ SoundEffects_GlobalReverseSound      = 1            # Plays reverse sound for bi
 SoundEffects_NonPlayerVehicles       = 1            # Plays sound effects for traffic vehicles too
 
 [CONFIG]
+ModLoaderData                       = 1            # Loads per-vehicle data configs (.jsonc/.json/.eml/.ivfc) directly from ModLoader subfolders
 EnableLiveReload                     = 1            # Enables the 'MERELOAD' cheat to live-reload vehicle configs and INI settings without restarting
 ModelVersionCheck                    = 1            # Version check for ModelExtras models (recommended to keep enabled)
 EnableLogging                        = 1            # Writes diagnostic log messages to 'ModelExtras.log'

src/ModelExtrasAPI.cpp

@@ -437,5 +437,12 @@ float ME_GetSirenPointLightMul() {
   return LightsConfig::Get().fSirenPointLightMul;
 }
 
-} // extern "C"
+bool ME_IsModLoaderDataEnabled() {
+  return DataMgr::IsModLoaderEnabled();
+}
+
+void ME_SetModLoaderDataEnabled(bool enabled) {
+  DataMgr::SetModLoaderEnabled(enabled);
+}
 
+} // extern "C"

src/ModelExtrasAPI.h

@@ -217,6 +217,8 @@ extern "C"
     // Visual & Render Configuration
     ME_WRAPPER float ME_GetPointLightIntensity();
     ME_WRAPPER float ME_GetSirenPointLightMul();
+    ME_WRAPPER bool  ME_IsModLoaderDataEnabled();
+    ME_WRAPPER void  ME_SetModLoaderDataEnabled(bool enabled);
 
 #ifdef __cplusplus
 }