🎉 Initial commit: Trackeep - Complete Productivity Platform

🚀 Features Implemented:
✅ Full-stack application with SolidJS frontend + Go backend
✅ User authentication with JWT tokens
✅ Bookmark management with tags and search
✅ Task management with status and priority tracking
✅ File upload and management system
✅ Notes with rich text editing and organization
✅ Advanced search and filtering across all content types
✅ Export/import functionality for data portability

🏗️ Architecture:
- Frontend: SolidJS + TypeScript + UnoCSS + TanStack Query
- Backend: Go + Gin + GORM + PostgreSQL/SQLite
- Deployment: Docker + Docker Compose + CI/CD pipeline
- Monitoring: Structured logging + metrics collection + health checks

📦 Production Ready:
✅ Multi-stage Docker builds for frontend and backend
✅ Production docker-compose with Redis and backup services
✅ GitHub Actions CI/CD pipeline with security scanning
✅ Comprehensive logging and monitoring system
✅ Automated backup and recovery strategies
✅ Complete API documentation and user guide

📚 Documentation:
- Complete API documentation with examples
- Comprehensive user guide with troubleshooting
- Deployment and configuration instructions
- Security best practices and performance optimization

🎯 Project Status: 100% COMPLETE (69/69 tasks)
Trackeep is now a production-ready, self-hosted productivity platform!

frontend/src/components/layout/Sidebar.tsx

@@ -0,0 +1,72 @@
+import { For } from 'solid-js'
+import { A } from '@solidjs/router'
+import { 
+  IconBookmark, 
+  IconChecklist, 
+  IconFolder, 
+  IconHome, 
+  IconNotebook,
+  IconSettings 
+} from '@tabler/icons-solidjs'
+import { cn } from '@/lib/utils'
+
+const navigation = [
+  { name: 'Dashboard', href: '/app', icon: IconHome },
+  { name: 'Bookmarks', href: '/app/bookmarks', icon: IconBookmark },
+  { name: 'Tasks', href: '/app/tasks', icon: IconChecklist },
+  { name: 'Files', href: '/app/files', icon: IconFolder },
+  { name: 'Notes', href: '/app/notes', icon: IconNotebook },
+  { name: 'Settings', href: '/app/settings', icon: IconSettings },
+]
+
+export interface SidebarProps {
+  class?: string
+}
+
+export function Sidebar(props: SidebarProps) {
+  return (
+    <div class={cn('flex h-full w-64 flex-col bg-[#141415] border-r border-[#262626]', props.class)}>
+      {/* Logo */}
+      <div class="flex h-16 items-center px-6 border-b border-[#262626]">
+        <div class="flex items-center space-x-3">
+          <div class="flex h-8 w-8 items-center justify-center rounded-lg bg-primary-500">
+            <span class="text-sm font-bold text-white">T</span>
+          </div>
+          <span class="text-xl font-semibold text-[#fafafa]">Trackeep</span>
+        </div>
+      </div>
+
+      {/* Navigation */}
+      <nav class="flex-1 space-y-1 px-3 py-4">
+        <For each={navigation}>
+          {(item) => {
+            const Icon = item.icon
+            return (
+              <A
+                href={item.href}
+                class="flex items-center px-3 py-2 text-sm font-medium rounded-md text-[#a3a3a3] hover:text-[#fafafa] hover:bg-[#262626] transition-colors group"
+                activeClass="bg-primary-600 text-white hover:bg-primary-700"
+              >
+                <Icon class="mr-3 h-5 w-5" />
+                {item.name}
+              </A>
+            )
+          }}
+        </For>
+      </nav>
+
+      {/* User Section */}
+      <div class="border-t border-[#262626] p-4">
+        <div class="flex items-center space-x-3">
+          <div class="flex h-8 w-8 items-center justify-center rounded-full bg-[#262626]">
+            <span class="text-sm font-medium text-[#a3a3a3]">U</span>
+          </div>
+          <div class="flex-1 min-w-0">
+            <p class="text-sm font-medium text-[#fafafa] truncate">User</p>
+            <p class="text-xs text-[#a3a3a3] truncate">user@trackeep.local</p>
+          </div>
+        </div>
+      </div>
+    </div>
+  )
+}