feat(docs): Integrations Hub + unified page hero (#620)
* fix(security): address all Dependabot vulnerability alerts
Python (uv.lock, pyproject.toml):
- authlib 1.6.6 → 1.6.9 (JWS header injection, OIDC hash binding, Bleichenbacher padding oracle)
- pyasn1 0.6.2 → 0.6.3 (unbounded recursion DoS)
- pyjwt 2.10.1 → 2.12.1 (unknown crit header extensions - also in integration-tests and crewai)
- orjson 3.11.4 → 3.11.7 (deeply nested JSON recursion DoS)
- tornado 6.5.2 → 6.5.5 (multipart DoS, incomplete cookie validation)
npm (package.json, package-lock.json):
- next ^16.1.6 → ^16.1.7 (HTTP smuggling, CSRF bypass, cache DoS, null origin bypass)
- fast-xml-parser override updated to >=5.5.6 (numeric entity expansion bypass)
- undici override added >=7.24.0 (WebSocket overflow, smuggling, CRLF injection, DoS)
- flatted override added >=3.4.0 (unbounded recursion DoS)
- svgo override added >=3.3.3 (DOCTYPE entity expansion DoS)
- dompurify override added >=3.3.2 (XSS vulnerability)
* feat(docs): add Integrations Hub and unified page hero
- Add /integrations page with search, type filter, and card grid
- Integrations defined in a single JSON file (src/data/integrations.json)
supporting official and community entries with icon, author, and link
- Scrolling integrations banner moved from global navbar to /integrations only
- Remove IntegrationsGrid component; replace all usages with link to hub
- Add PageHero component with full-bleed gradient background, shared across
Cookbook, FAQ, Best Practices, Changelog, and Blog index pages
- Remove FAQ from top navbar (already in Resources dropdown)
- Move integration changelogs table to bottom of changelog page
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