Edit configuration object: system.performance

Add to Default shortcuts
"""
_core:\n
  default_config_hash: b2cssrj-lOmATIbdehfCqfCFgVR0qCdxxWhwqa2KBVQ\n
cache:\n
  page:\n
    max_age: 0\n
css:\n
  preprocess: true\n
  gzip: true\n
fast_404:\n
  enabled: true\n
  paths: '/\.(?:txt|png|gif|jpe?g|css|js|ico|swf|flv|cgi|bat|pl|dll|exe|asp)$/i'\n
  exclude_paths: '/\/(?:styles|imagecache)\//'\n
  html: '<!DOCTYPE html><html><head><title>404 Not Found</title></head><body><h1>Not Found</h1><p>The requested URL "@path" was not found on this server.</p></body></html>'\n
js:\n
  preprocess: true\n
  gzip: true\n
stale_file_threshold: 2592000\n
"""