feat: hook up pricing page to plans API

[raquelmsmith]

We now have a new plans API in the billing service that we can read from to get info about the plans we currently offer. We want to hook this up to the pricing page so that it's always up to date, and so that we can easily run experiments with our pricing plans, features, etc.

Changes

• Sets up test and control versions for the pricing page
• On the test pricing page it now reflects @corywatilo's overall design here: Proposed changes to plans, pricing page #5151
  • That design also includes some feature changes that aren't included in this PR, but may be experimented with in the very near future 🤓
  • Puts much more emphasis on the fact that we have an awesome free plan
• On the control page it is largely the same but removes references to any self-hosted enterprise plan (since we plan to sunset the k8s version) and also obfuscates pricing for the enterprise plan (cause we want to talk to peeps)
• Updates the Q&A at the bottom of the page

Before / Control	After / Test

We also now get a lil tooltip describing each feature:

Checklist

• Titles are in sentence case
• Feature names are in sentence case too
• Words are spelled using American English
• I have checked out our style guide

[corywatilo]

What is an "App metrics" integration?

[raquelmsmith]

What is an "App metrics" integration?

Since Apps are an integration then it felt like it made sense to go here. But if you want it in one of the other feature groups then it can be moved fairly easily.

[raquelmsmith]

@corywatilo this is good to go now. Tomorrow we will get an update out for the billing service that changes the free plan name to "Free." Otherwise can you give me a 👍 or 👎 on the rest of it?

Also excluding features from the table is easy so lmk if you think any of the features shouldn't be shown. I think there is a balance to strike between "make the free plan look awesome" vs "show that we do actually offer everything you need when you decide to upgrade." I think curating the features that are shown in this table is part of it.

[corywatilo]

Copying over the todos that are beyond my abilities:

Todos

• Change casing of section titles (to sentence case)

  

• Change "Product Analytics" to "Product analytics suite"

• This "first" is likely coming from Stripe?

  

• Merge posthog/billing#115 along with this (sorry in advance for any merge issues there)

• Only other unclear thing: "What happens if I exceed 1m events on the Free plan?"

[raquelmsmith]

Only other unclear thing: "What happens if I exceed 1m events on the Free plan?"

Somebody kills a puppy.

(jk)

Not too concerned about this at the moment.

[smallbrownbike]

Only blocker for me is the broken link in the job application confirmation modal! 👏