Security auditor, personas, orchestration, docs catalog & roadmap (#35)

Closes the remaining gaps vs alirezarezvani/claude-skills across trust, content
types, discoverability, and community.

Security (trust signal + useful):
- scripts/skill-audit.mjs scans skills/*/SKILL.md + each skill's scripts/ for
  prompt injection, exfiltration, dynamic code exec, destructive shell, secrets,
  and hidden text. HIGH fails CI (.github/workflows/skill-audit.yml) + a badge.
- New skill-security-auditor skill teaches the same review (production tier).

Content types:
- output-styles/ — 4 personas (Startup CTO, Growth Marketer, Solo Founder,
  Product Leader) as Claude Code output styles; --agent claude installs them too.
- ORCHESTRATION.md — Skill Chain / Multi-Agent Handoff / Domain Deep-Dive /
  Solo Sprint patterns.

Discoverability:
- scripts/build-docs.mjs generates a server-rendered, SEO-indexable
  web/catalog.html of all skills (built in the Pages deploy; gitignored).
  Linked from README + playground.

Community:
- ROADMAP.md (now/next/later + good-first-issues).

README badges/sections, TIERS (47 production), CHANGELOG, package.json files,
and exports/web index all updated. SkillCheck + security audit + exports verified.


Claude-Session: https://claude.ai/code/session_016JWn5jRD5tcEFKrubjQ6Px

Co-authored-by: Claude <noreply@anthropic.com>

TIERS.md

@@ -14,7 +14,7 @@ strongest work and know what to expect from the rest.
 
 ---
 
-## 🟢 Production-Ready (46)
+## 🟢 Production-Ready (47)
 
 These are the skills to reach for first — the most-used, most-refined frameworks in the
 library.
@@ -44,7 +44,7 @@ library.
 `go-to-market` · `competitor-teardown` · `product-positioning-doc`
 
 **Cross-profession**
-`executive-summary` · `press-release`
+`executive-summary` · `press-release` · `skill-security-auditor`
 
 ---