docs: Add comprehensive documentation and helper scripts

Add:
- QUICKSTART.md: 5-minute quick start guide with examples
- scripts/incus_setup.sh: Automated PostgreSQL container setup
- scripts/validate_migration.sql: SQL validation queries
- scripts/setup_cron.sh: Cron job setup for incremental migrations
- tests/test_setup.py: Unit tests for configuration and transformation
- install.sh: Quick installation script

Documentation includes:
- Step-by-step setup instructions
- Example queries for RAWDATACOR and ELABDATADISP
- Troubleshooting guide
- Performance optimization tips

🤖 Generated with Claude Code

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

install.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+# Quick installation script
+
+set -e
+
+echo "MySQL to PostgreSQL Migration Tool - Installation"
+echo "=================================================="
+echo ""
+
+# Check Python version
+PYTHON_VERSION=$(python3 --version 2>&1 | awk '{print $2}')
+echo "✓ Python $PYTHON_VERSION detected"
+
+# Create virtual environment
+echo ""
+echo "Creating virtual environment..."
+python3 -m venv venv
+source venv/bin/activate
+echo "✓ Virtual environment created"
+
+# Upgrade pip
+echo ""
+echo "Upgrading pip..."
+pip install --upgrade pip setuptools wheel > /dev/null 2>&1
+echo "✓ pip upgraded"
+
+# Install dependencies
+echo ""
+echo "Installing dependencies..."
+pip install -e . > /dev/null 2>&1
+echo "✓ Dependencies installed"
+
+# Copy .env.example to .env if not exists
+if [ ! -f .env ]; then
+    echo ""
+    echo "Creating .env file from template..."
+    cp .env.example .env
+    echo "✓ .env created (edit with your database credentials)"
+else
+    echo ""
+    echo "ℹ .env already exists"
+fi
+
+echo ""
+echo "=================================================="
+echo "Installation complete!"
+echo ""
+echo "Next steps:"
+echo "1. Edit .env with your database credentials"
+echo "2. Activate virtual environment: source venv/bin/activate"
+echo "3. Verify setup: python main.py info"
+echo "4. Create schema: python main.py setup --create-schema"
+echo "5. Run migration: python main.py migrate full"
+echo ""
+echo "For more help, see README.md or QUICKSTART.md"