docs: comprehensive documentation polish & CI/CD automation

Major Updates:
- Rewrote all docs in beginner-friendly 'ELI5' language
- Created docs index with user journey navigation
- Added complete getting-started guide for novice users
- Set up GitHub Container Registry (GHCR) automation
- Configured GitHub Pages deployment for documentation

Documentation:
- docs/index.md - Central navigation hub
- docs/getting-started.md - Step-by-step beginner guide
- docs/github-setup.md - CI/CD setup instructions
- README.md - Complete rewrite in accessible language
- CONTRIBUTING.md - Contributor guidelines
- Multiple comprehensive API and schema docs

CI/CD Workflows:
- .github/workflows/docker-build.yml - Multi-platform builds to GHCR
- .github/workflows/docs.yml - Automated docs deployment to Pages
- Supports main (latest), development (dev), and version tags
- Automated testing of built images
- Beautiful documentation site with dark theme

Benefits:
- Zero barrier to entry for new users
- Automated Docker builds (AMD64 + ARM64)
- Professional documentation site
- No Docker Hub account needed (uses GHCR)
- Complete CI/CD pipeline

All 7 implementation phases complete - project is production ready!

frontend/src/test/mockData.ts

@@ -0,0 +1,88 @@
+import { ProxyHost } from '../hooks/useProxyHosts'
+import { RemoteServer } from '../hooks/useRemoteServers'
+
+export const mockProxyHosts: ProxyHost[] = [
+  {
+    uuid: '123e4567-e89b-12d3-a456-426614174000',
+    domain_names: 'app.local.dev',
+    forward_scheme: 'http',
+    forward_host: 'localhost',
+    forward_port: 3000,
+    access_list_id: undefined,
+    certificate_id: undefined,
+    ssl_forced: false,
+    http2_support: true,
+    hsts_enabled: false,
+    hsts_subdomains: false,
+    block_exploits: true,
+    websocket_support: true,
+    advanced_config: undefined,
+    enabled: true,
+    created_at: '2025-11-18T10:00:00Z',
+    updated_at: '2025-11-18T10:00:00Z',
+  },
+  {
+    uuid: '223e4567-e89b-12d3-a456-426614174001',
+    domain_names: 'api.local.dev',
+    forward_scheme: 'http',
+    forward_host: '192.168.1.100',
+    forward_port: 8080,
+    access_list_id: undefined,
+    certificate_id: undefined,
+    ssl_forced: false,
+    http2_support: true,
+    hsts_enabled: false,
+    hsts_subdomains: false,
+    block_exploits: true,
+    websocket_support: false,
+    advanced_config: undefined,
+    enabled: true,
+    created_at: '2025-11-18T10:00:00Z',
+    updated_at: '2025-11-18T10:00:00Z',
+  },
+]
+
+export const mockRemoteServers: RemoteServer[] = [
+  {
+    uuid: '323e4567-e89b-12d3-a456-426614174002',
+    name: 'Local Docker Registry',
+    provider: 'docker',
+    host: 'localhost',
+    port: 5000,
+    username: undefined,
+    enabled: true,
+    reachable: false,
+    last_check: undefined,
+    created_at: '2025-11-18T10:00:00Z',
+    updated_at: '2025-11-18T10:00:00Z',
+  },
+  {
+    uuid: '423e4567-e89b-12d3-a456-426614174003',
+    name: 'Development API Server',
+    provider: 'generic',
+    host: '192.168.1.100',
+    port: 8080,
+    username: undefined,
+    enabled: true,
+    reachable: true,
+    last_check: '2025-11-18T10:00:00Z',
+    created_at: '2025-11-18T10:00:00Z',
+    updated_at: '2025-11-18T10:00:00Z',
+  },
+]
+
+export const mockImportPreview = {
+  hosts: [
+    {
+      domain_names: 'test.example.com',
+      forward_scheme: 'http',
+      forward_host: 'localhost',
+      forward_port: 8080,
+      ssl_forced: true,
+      http2_support: true,
+      websocket_support: false,
+    },
+  ],
+  conflicts: ['app.local.dev'],
+  errors: [],
+}