chore: remove dead links in readme and update old docs links to new docs

[parthshahp]

What/Why?

The README contained dead links as well as links to the old BC docs.

Testing

N/A

Migration

N/A

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
catalyst	Ready	Preview, Comment	Apr 28, 2026 7:36pm

[changeset-bot]

⚠️ No Changeset found

Latest commit: f445536

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[github-actions]

Bundle Size Report

Comparing against baseline from ed76224 (2026-04-28).

No bundle size changes detected.

[github-actions]

Unlighthouse Performance Comparison — Vercel

Comparing PR preview deployment Unlighthouse scores vs production Unlighthouse scores.

Summary Score

Aggregate score across all categories as reported by Unlighthouse.

	Prod Desktop	Prod Mobile	Preview Desktop	Preview Mobile
Score	90	93	91	95

Category Scores

Category	Prod Desktop	Prod Mobile	Preview Desktop	Preview Mobile
Performance	76	83	74	86
Accessibility	95	91	95	91
Best Practices	100	100	95	100
SEO	88	100	100	100

Core Web Vitals

Metric	Prod Desktop	Prod Mobile	Preview Desktop	Preview Mobile
LCP	3.7 s	4.6 s	3.8 s	4.1 s
CLS	0.037	0	0.037	0
FCP	1.1 s	1.1 s	1.2 s	1.1 s
TBT	0 ms	0 ms	30 ms	0 ms
Max Potential FID	50 ms	40 ms	70 ms	50 ms
Time to Interactive	3.7 s	4.7 s	5.7 s	4.1 s

Full Unlighthouse report →