hi there, welcome.
this is your problem:
1:53:33 PM: success copy gatsby files - 0.045s
1:53:33 PM: error Problems with gatsby-source-contentful plugin options:
1:53:33 PM: spaceId: undefined - "spaceId" is required
1:53:33 PM: accessToken: undefined - "accessToken" is required
1:53:33 PM: host (default value): "cdn.contentful.com"
you need to be adding the information contentful needs in your environment variables:
We get these all the time!