Update README.md

README.md

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 # Welcome to BUSN 32210
 
-* Q&A forum [here](https://huggingface.co/spaces/2023-autumn-busn-32210/README/discussions?type=discussion)
-* Canvas site: 
+* Q&A forum for technical support [here](https://huggingface.co/spaces/2023-autumn-busn-32210/README/discussions?type=discussion)
+* Canvas site: https://canvas.uchicago.edu/courses/51174
 * ChatGPT: https://chat.openai.com/
-* Free version of Stable Diffusion: https://huggingface.co/spaces/runwayml/stable-diffusion-v1-5
+* Free version of Stable Diffusion: https://clipdrop.co/stable-diffusion