feat: Add PM2 process manager configuration

- Add ecosystem.config.js with auto-restart settings
- Add PM2 management scripts to package.json
- Create PM2.md documentation
- Update .gitignore to exclude logs
- Create logs directory for PM2 output

Scripts available:
- npm run pm2:start - Start with PM2
- npm run pm2:stop - Stop process
- npm run pm2:restart - Restart process
- npm run pm2:logs - View logs
- npm run pm2:status - Check status
- npm run pm2:monit - Real-time monitoring

PM2.md

@@ -0,0 +1,98 @@
+# PM2 Process Manager - LPD Gerana Webcam
+
+## Quick Start
+
+### Start aplikasi dengan PM2
+```bash
+npm run pm2:start
+```
+
+### Stop aplikasi
+```bash
+npm run pm2:stop
+```
+
+### Restart aplikasi
+```bash
+npm run pm2:restart
+```
+
+### Lihat logs
+```bash
+npm run pm2:logs
+```
+
+### Lihat status
+```bash
+npm run pm2:status
+```
+
+### Monitor real-time
+```bash
+npm run pm2:monit
+```
+
+### Hapus dari PM2
+```bash
+npm run pm2:delete
+```
+
+## Auto Start saat Server Boot
+
+### Setup PM2 startup (jalankan sekali)
+```bash
+# Generate startup script
+npx pm2 startup
+
+# Salin dan jalankan command yang muncul (biasanya dengan sudo)
+# Contoh: sudo env PATH=$PATH:/usr/bin /usr/lib/node_modules/pm2/bin/pm2 startup systemd -u wartana --hp /home/wartana
+
+# Start aplikasi
+npm run pm2:start
+
+# Save PM2 process list untuk auto-start
+npx pm2 save
+```
+
+### Disable auto-start
+```bash
+npx pm2 unstartup
+```
+
+## Fitur PM2
+
+- ✅ **Auto Restart**: Aplikasi otomatis restart jika crash
+- ✅ **Logs Management**: Log tersimpan di folder `logs/`
+- ✅ **Memory Management**: Auto restart jika memory > 500MB
+- ✅ **Monitoring**: Real-time monitoring dengan `npm run pm2:monit`
+- ✅ **Status Tracking**: Cek uptime dan status aplikasi
+- ✅ **Startup Script**: Auto start saat server boot
+
+## Log Files
+
+- **Error Log**: `logs/pm2-error.log`
+- **Output Log**: `logs/pm2-out.log`
+
+## Tips
+
+1. **Update aplikasi tanpa downtime**:
+   ```bash
+   git pull
+   npm install
+   npm run pm2:restart
+   ```
+
+2. **Lihat logs 100 baris terakhir**:
+   ```bash
+   npx pm2 logs lpd-gerana-webcam --lines 100
+   ```
+
+3. **Flush logs**:
+   ```bash
+   npx pm2 flush
+   ```
+
+4. **Cek resource usage**:
+   ```bash
+   npx pm2 monit
+   ```