feat: Initial project setup - uzdb database client

Initialize complete Wails (Go + React) database management tool

## Project Structure
- Frontend: React 18 + TypeScript + Vite
- Backend: Go 1.23 + Gin + GORM + SQLite + Zap
- Desktop: Wails v2

## Features Implemented

### UI/UX Design
- Complete design system with colors, typography, spacing
- Wireframes for all major screens
- User flows and interaction specifications
- Layout design with 3-panel architecture

### Frontend Components
- ConnectionPanel: Database connection sidebar with status indicators
- AppLayout: Resizable main layout framework
- MenuBar & ToolBar: Navigation and quick actions
- QueryEditor: SQL editor with syntax highlighting support
- DataGrid: Sortable, filterable, editable data table
- TableStructure: Table metadata viewer
- StatusBar: Connection info and query statistics
- StatusIndicator: Animated connection status component

### Backend Services
- Wails bindings: 15+ methods exposed to frontend
- Connection management: CRUD operations with connection pooling
- Query execution: SQL execution with result handling
- Table metadata: Schema introspection
- Encryption service: AES-256-GCM password encryption
- HTTP API: RESTful endpoints for debugging/integration

### Documentation
- Design system specification
- Feature requirements document
- Wireframes and user flows
- API testing guide
- Project README

## Technical Details
- Password encryption using AES-256-GCM
- Thread-safe connection manager with sync.RWMutex
- Unified error handling and logging
- Clean architecture with dependency injection
- SQLite for storing user data (connections, history)

🤖 Generated with Qoder

.gitignore

@@ -0,0 +1,66 @@
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+uzdb.exe
+build/bin/
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool
+*.out
+
+# Go workspace file
+go.work
+
+# Dependency directories
+vendor/
+
+# IDE and editor files
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+.DS_Store
+
+# Node modules (frontend)
+frontend/node_modules/
+frontend/dist/
+frontend/.vite/
+
+# Wails build artifacts
+wails_build/
+
+# Data directory (contains user data including encrypted passwords)
+data/
+*.db
+*.sqlite
+*.sqlite3
+
+# Log files
+*.log
+logs/
+
+# Environment variables
+.env
+.env.local
+.env.*.local
+
+# Temporary files
+tmp/
+temp/
+*.tmp
+
+# Coverage reports
+coverage.txt
+coverage.html
+
+# Profiling files
+cpu.pprof
+mem.pprof
+block.pprof
+mutex.pprof