Add update config.

.config.json

@@ -1 +1 @@
-{"image_size": 128, "network_capacity": 16, "lr_mlp": 0.1, "transparent": false, "fq_layers": [], "fq_dict_size": 256, "attn_layers": [], "no_const": false}
+{"image_size": 256, "network_capacity": 16, "lr_mlp": 0.1, "transparent": false, "fq_layers": [], "fq_dict_size": 256, "attn_layers": [], "no_const": false}