Generate FIL-RetroPGF-2 metrics

[ccerv1]

What is it?

Full details from Sejal: https://docs.google.com/document/d/1hEZkYmpfT7d1W_fLgZLyI8zYGLWyfpoeDh95cz7KAbU/edit

Wishlist:

Name of Metric	Round Category
Star Count	Infrastructure & Dependencies.Tooling & Utilities.
Forks in the Last 6 Months	Infrastructure & Dependencies.Tooling & Utilities.
First Commit Date	Infrastructure & Dependencies.Tooling & Utilities.
Contributor Count (6 Months)	Infrastructure & Dependencies.Tooling & Utilities.
Contributor Count	Infrastructure & Dependencies.Tooling & Utilities.
New Contributor Count (6 Months)	Infrastructure & Dependencies.Tooling & Utilities.
Commit Count (6 Months)	Infrastructure & Dependencies.Tooling & Utilities.
Active Developer Count (6 Months)	Infrastructure & Dependencies.Tooling & Utilities.
Downloads (6 months)
Address Count interacting with FVM smart contract