feat: add 23 new CLI tools and integration guides
New tools across 13 categories:
- Email/Newsletter: beehiiv, klaviyo, postmark, brevo, activecampaign
- Data Enrichment: clearbit, apollo
- CRO/Testing: hotjar, optimizely
- Analytics: plausible
- Scheduling: calendly, savvycal
- Forms: typeform
- Messaging: intercom
- Social: buffer
- Video: wistia
- Payments: paddle
- Affiliate: partnerstack
- Reviews: trustpilot, g2
- Push: onesignal
- Webinar: demio, livestorm
Each tool includes a zero-dependency CLI and integration guide.
Registry and CLI README updated with all new entries.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>