Update README.md

Added header information and CKPT link in the description part.

README.md

@@ -1,6 +1,10 @@
 ---
+language:
+- en
 license: creativeml-openrail-m
+thumbnail: "https://s3.amazonaws.com/moonup/production/uploads/1667942059199-6305d083df993a789e61126d.jpeg"
 tags:
+- stable-diffusion
 - text-to-image
 ---
 ## Model description
@@ -11,6 +15,8 @@ Trained isometric city model merged with SD 1.5 with Automatic1111's checkpoint
 
 Use "<b>an illustration of an isometric city, digital art, highly detailed</b>" in your prompts.
 
+[CKPT download link](https://huggingface.co/Astroboy/isoCities/blob/main/isometric_city%2BSD1.5.ckpt)
+
 ## Intended uses & limitations
 Do not use for commercial purposes.