Set main scene for export

godot/project.godot

@@ -8,6 +8,11 @@
 
 config_version=4
 
+[application]
+
+run/main_scene="res://main/main.tscn"
+boot_splash/minimum_display_time=4
+
 [input]
 
 forward={
@@ -30,3 +35,7 @@ right={
 "events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":0,"physical_scancode":68,"unicode":0,"echo":false,"script":null)
  ]
 }
+
+[rendering]
+
+quality/driver/fallback_to_gles2=true