Managing packages with npm - problem with submitting my work

So I’m at the first challenge. I have to modify the package.json file.
I push it to github. Get the url and when I put it into the solution it gives a 404 error (if I use the raw) or tells me my package.json doesn’t have a valid “author” key, which it does.

Can anyone offer any advice on how to get passed this?

EDIT: if I do it with Glitch I get:
Unexpected token < in JSON at position 0

FIXED: I realized the instructions said that I needed to submit link the homepage of my app and not the package.json.

FIXED: I realized the instructions said that I needed to submit link the homepage of my app and not the package.json.