feat: Added agency-web-developer skill

- New skill for building static websites from copy + design system
- HTML semantic with accessibility + SEO best practices
- CSS layout with Bootstrap or custom support
- JS interactivity with jQuery + GSAP for smooth animations
- 3 reference files: html_semantics.md, css_layout.md, js_interactivity.md
- Updated README with new skill (13 total) and references (23 total)
- Workflow updated: agency-ux-copy → agency-web-developer → agency-seo

No overlap with existing skills:
- agency-visual-generator: generates images (PNG/webp) for social/YouTube
- agency-publisher: publishes content via webhook
- agency-web-developer: builds complete static websites (HTML/CSS/JS)

README.md

@@ -4,8 +4,8 @@ Suite di AgentSkills per Agency AI OS v3.1 — trasformate da framework multi-ag
 
 ## Panoramica
 
-- **Skills:** 12
-- **References:** 17
+- **Skills:** 13
+- **References:** 20
 - **Lingua:** English (con note in italiano)
 - **Dominio:** Digital Agency / Content Production / Multi-Agent System
 
@@ -44,11 +44,13 @@ clawhub install agency_v3_1-skills
 | 8 | **agency-social** | Social strategy, calendario, post queue | Media |
 | 9 | **agency-youtube** | YouTube strategy, script retention-first | Media |
 | 10 | **agency-visual-generator** | Asset visuali (card, carousel, thumbnail) | Media |
-| 11 | **agency-analytics** | Report KPI settimanali, actions | Bassa |
-| 12 | **agency-publisher** | Publish gate-based (social/YouTube) | Bassa |
+| 11 | **agency-web-developer** | Siti web statici (HTML/CSS/JS) | Media |
+| 12 | **agency-analytics** | Report KPI settimanali, actions | Bassa |
+| 13 | **agency-publisher** | Publish gate-based (social/YouTube) | Bassa |
 
 ## References Incluse
 
+### Agency Core (17)
 1. `design_patterns.md` — Pattern UI riusabili
 2. `hero_sections.md` — Layout hero efficaci
 3. `layout_systems.md` — Grid, spacing, density
@@ -70,6 +72,11 @@ clawhub install agency_v3_1-skills
 19. `qa_visual.md` — QA checklist visual
 20. `weekly_report_template.md` — Template report
 
+### Web Developer (3)
+21. `html_semantics.md` — Semantic HTML best practices (in agency-web-developer/references)
+22. `css_layout.md` — Layout Bootstrap/custom (in agency-web-developer/references)
+23. `js_interactivity.md` — jQuery + GSAP patterns (in agency-web-developer/references)
+
 ## Workflow Consigliato
 
 1. **Onboarding:** `agency-orchestrator` → definisci MVP
@@ -77,7 +84,7 @@ clawhub install agency_v3_1-skills
 3. **Strategy:** `agency-strategy` → positioning, messaging
 4. **Creative:** `agency-creative-director` → direzione visiva
 5. **Design:** `agency-design-system` → design system
-6. **Website:** `agency-ux-copy` + `agency-seo` → sitemap, copy, SEO
+6. **Website:** `agency-ux-copy` → sitemap, copy → `agency-web-developer` → sito HTML/CSS/JS → `agency-seo` → metadata
 7. **Content:** `agency-social` + `agency-youtube` → calendar, script
 8. **Visual:** `agency-visual-generator` → asset
 9. **Publish:** `agency-publisher` → publish (post-approvazione)