add href to resource object

[thuvh]

include href when listing resources in a vdc. It's easier to get information of resources.

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This change is 

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[thuvh]

Reviewable status: 0 of 1 files reviewed, all discussions resolved

[thuvh]

Reviewed 1 of 1 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @thuvh)