Implement script support needed for dungeons

Only a few are supported right now
You will need certain script files in ./resources/Scripts

src/main/java/emu/grasscutter/scripts/data/SceneGroup.java

@@ -0,0 +1,17 @@
+package emu.grasscutter.scripts.data;
+
+import java.util.List;
+
+import emu.grasscutter.utils.Position;
+
+public class SceneGroup {
+	public int id;
+	public int refresh_id;
+	public Position pos;
+	
+	public List<SceneMonster> monsters;
+	public List<SceneGadget> gadgets;
+	public List<SceneTrigger> triggers;
+	public List<SceneSuite> suites;
+	public SceneInitConfig init_config;
+}