Add key ( required) to space declaration

[wdantuma]

According to the space proposal a key definition is required in a space delaration

[pkg-pr-new]

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npm i https://pkg.pr.new/create-pds@240

npm i https://pkg.pr.new/@getcirrus/oauth-provider@240

npm i https://pkg.pr.new/@getcirrus/pds@240

commit: 6274c8d

[ascorbic]

Thanks!

[wdantuma]

You're welcome, don't forget to update the published schema