Add live (or cached) GitHub stars data

[ogarrett]

Notes:

• https://github.com/ogarrett/CommunityWebsite/pull/1/files
• https://github.com/ogarrett/CommunityWebsite/pull/2/files

[ogarrett]

Integrated - we have live stars for the product tiles. Thank you @rs280 for the PR.

Closing this, adding new issue to track the headline total GH stars