Make Gunicorn respect config.json settings

- Updated gunicorn.conf.py to read host/port from config.json
- Added gunicorn section to config.json for server settings
- Created start_gunicorn.py as alternative launcher
- Updated config.json with server settings (127.0.0.1:6969)
- Updated documentation with new startup options

start_gunicorn.py

@@ -0,0 +1,49 @@
+#!/usr/bin/env python3
+"""
+Gunicorn launcher that reads configuration from config.json
+"""
+
+import json
+import subprocess
+import sys
+from config_loader import config
+
+def main():
+    """Launch Gunicorn with settings from config.json"""
+    
+    # Get configuration values
+    host = config.app_host
+    port = config.app_port
+    workers = config.get('gunicorn.workers', 4)
+    
+    # Build Gunicorn command
+    cmd = [
+        'gunicorn',
+        '--bind', f'{host}:{port}',
+        '--workers', str(workers),
+        '--timeout', '30',
+        '--keepalive', '5',
+        '--max-requests', '1000',
+        '--max-requests-jitter', '100',
+        '--access-logfile', '-',
+        '--error-logfile', '-',
+        '--log-level', 'info',
+        '--preload',
+        'app:app'
+    ]
+    
+    print(f"Starting Gunicorn on {host}:{port} with {workers} workers...")
+    print(f"Command: {' '.join(cmd)}")
+    
+    # Execute Gunicorn
+    try:
+        subprocess.run(cmd, check=True)
+    except subprocess.CalledProcessError as e:
+        print(f"Error starting Gunicorn: {e}")
+        sys.exit(1)
+    except KeyboardInterrupt:
+        print("\nStopping Gunicorn...")
+        sys.exit(0)
+
+if __name__ == "__main__":
+    main()