add preset for Unreal

Author: FunkyFr3sh

src/config.c

@@ -1829,6 +1829,12 @@ static void cfg_create_ini()
             "[Tzar]\n"
             "adjmouse=true\n"
             "\n"
+            "; Unreal\n"
+            "[Unreal]\n"
+            "adjmouse=false\n"
+            "lock_mouse_top_left=true\n"
+            "center_cursor_fix=true\n"
+            "\n"
             "; Uprising\n"
             "[uprising]\n"
             "adjmouse=true\n"