Add CLAUDE.md, MkDocs docs, docs page in admin, .claude/rules

- CLAUDE.md: Comprehensive documentation for Compliance SDK platform
- docs-src: AI-Compliance-SDK docs (architecture, developer, auditor, SBOM)
- mkdocs.yml: Compliance-specific nav with purple theme
- docker-compose: Added docs service (port 8011, profile: docs)
- admin-compliance: New /development/docs page with iframe + quick links
- navigation.ts: Added development category with docs module
- .claude/rules: testing, docs, open-source, compliance-checklist

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

admin-compliance/lib/navigation.ts

@@ -5,7 +5,7 @@
  * Extracted from admin-v2, keeping only compliance-relevant modules.
  */
 
-export type CategoryId = 'compliance-sdk'
+export type CategoryId = 'compliance-sdk' | 'development'
 
 export interface NavModule {
   id: string
@@ -15,8 +15,8 @@ export interface NavModule {
   purpose: string
   audience: string[]
   gdprArticles?: string[]
-  oldAdminPath?: string // Reference to old admin for migration
-  subgroup?: string // Optional subgroup for visual grouping in sidebar
+  oldAdminPath?: string
+  subgroup?: string
 }
 
 export interface NavCategory {
@@ -51,6 +51,27 @@ export const navigation: NavCategory[] = [
       },
     ],
   },
+  // =========================================================================
+  // Development - Entwickler-Tools und Dokumentation
+  // =========================================================================
+  {
+    id: 'development',
+    name: 'Entwicklung',
+    icon: 'code',
+    color: '#0ea5e9', // Sky-500
+    colorClass: 'development',
+    description: 'Dokumentation & Entwickler-Tools',
+    modules: [
+      {
+        id: 'docs',
+        name: 'Dokumentation',
+        href: '/development/docs',
+        description: 'MkDocs Projekt-Dokumentation',
+        purpose: 'Technische Dokumentation der Compliance-Plattform mit Architektur, API-Referenz und Entwickler-Guides.',
+        audience: ['Entwickler', 'Architekten'],
+      },
+    ],
+  },
 ]
 
 // Meta modules (always visible)