Add analytics back!

[jukent]

Adding measurement id

[github-actions]

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[brian-rose]

Do we want instead to put this in the upstream pythia-config so that analytics work across all our sites?

[jukent]

Do we want instead to put this in the upstream pythia-config so that analytics work across all our sites?

Oh that's a smart idea. Currently we have a different measurement ID for Cookbooks, the Portal, and Foundations.

We could either:

• add the Cookbook measurement ID to pythia-config (that will reduce the most redundancy), but then overwrite it in the portal and foundations (so merge this PR anyway)
• or move to using a constant measurement ID for all "products"

I am not sure why we decided to use different measurement IDs in the first place, but it would disrupt our metrics more to change it now.

[jukent]

Keeping this one open, but covering all cookbooks in ProjectPythia/pythia-config#18