Update license metadata to link to actual `creativeml-openrail-m` license (#3)

- Update license metadata to link to actual `creativeml-openrail-m` license (4d46e451078a59716f20bd25a4c777f0c1b4f1c6)

README.md

@@ -1,5 +1,5 @@
 ---
-license: other
+license: creativeml-openrail-m
 tags:
 - stable-diffusion
 - stable-diffusion-diffusers