feat: implement the new "Stop N Go" game mode, including phase management, dynamic safe zones, player missions, and dedicated UI with visual effects.

assets/graphics/vfx/effects/bullrun_ui.png.import

@@ -24,7 +24,7 @@ compress/rdo_quality_loss=0.0
 compress/hdr_compression=1
 compress/normal_map=0
 compress/channel_pack=0
-mipmaps/generate=false
+mipmaps/generate=true
 mipmaps/limit=-1
 roughness/mode=0
 roughness/src_normal=""
@@ -38,4 +38,4 @@ process/normal_map_invert_y=false
 process/hdr_as_srgb=false
 process/hdr_clamp_exposure=false
 process/size_limit=0
-detect_3d/compress_to=1
+detect_3d/compress_to=0