Whitelist more config values with most needed values

[asimqt]

If custom publisher forgets to change the WHITELIST_CONFIG_KEYS for each publisher issues like quintype/quintype-node-components#62 may happen. Whitelist config should have values like:

const WHITELIST_CONFIG_KEYS = [
  "cdn-image",
  "polltype-host",
  "layout",
  "sections",
  "social-links",
  "publisher-name",
  "publisher-settings",
  "sketches-host"
];