chore: clean up project - remove temporary files and add quick setup guide

- Removed 18 temporary/test files (check_data.js, test_db_insert.js, etc.)
- Removed old deployment scripts and debug utilities
- Added setup.sh for one-command deployment
- Rewrote QUICKSTART.md with comprehensive 3-step setup guide
- Enhanced ecosystem.config.js with logging and restart config
- Project is now clean and deployment-ready

auto-sync.sh

@@ -1,66 +0,0 @@
-#!/bin/bash
-
-# ============================================================================
-# Auto-Sync Script - Run by Cron Every 5 Minutes
-# ============================================================================
-# This script:
-# 1. Checks for changes in Git repository
-# 2. Pulls updates if available
-# 3. Restarts the service ONLY if changes were detected
-# ============================================================================
-
-set -e
-
-APP_NAME="web-page-performance-test"
-APP_DIR="/var/www/$APP_NAME"
-LOG_FILE="/var/log/$APP_NAME-autosync.log"
-
-# Function to log with timestamp
-log() {
-    echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1" | tee -a "$LOG_FILE"
-}
-
-log "========================================="
-log "Starting auto-sync check..."
-
-cd "$APP_DIR" || exit 1
-
-# Fetch latest from remote
-git fetch origin main 2>&1 | tee -a "$LOG_FILE"
-
-# Check if local is behind remote
-LOCAL=$(git rev-parse HEAD)
-REMOTE=$(git rev-parse origin/main)
-
-if [ "$LOCAL" = "$REMOTE" ]; then
-    log "✅ Already up to date. No changes detected."
-    exit 0
-fi
-
-log "🔄 Changes detected! Pulling updates..."
-
-# Force update (overwrite local changes)
-log "⚠️ Resetting local changes to match remote..."
-git reset --hard origin/main 2>&1 | tee -a "$LOG_FILE"
-
-# Install/update dependencies if package.json changed
-if git diff --name-only $LOCAL $REMOTE | grep -q "package.json"; then
-    log "📦 package.json changed. Running npm install..."
-    npm install 2>&1 | tee -a "$LOG_FILE"
-fi
-
-# Restart the service
-log "🔄 Restarting $APP_NAME service..."
-systemctl restart "$APP_NAME" 2>&1 | tee -a "$LOG_FILE"
-
-# Wait a moment and check status
-sleep 2
-if systemctl is-active --quiet "$APP_NAME"; then
-    log "✅ Service restarted successfully!"
-else
-    log "❌ WARNING: Service may have failed to start!"
-    systemctl status "$APP_NAME" --no-pager 2>&1 | tee -a "$LOG_FILE"
-fi
-
-log "✅ Auto-sync completed!"
-log "========================================="