{
  "name": "readmore",
  "title": "ReadMore",
  "id": "jid1-tX3s0pBjqPzQAw",
  "description": "Blocks blacklisted sites and redirects to whitelisted sites.",
  "author": "Eric Schmitt",
  "license": "MPL 2.0",
  "version": "0.1"
}

{
  "preferences": [
    {
      "title": "BlackList",
      "type": "control",
      "name": "blackList",
      "description": "Manages websites to be blocked.",
      "label": "Edit"
    },
    {
      "title": "WhiteList",
      "type": "control",
      "name": "whiteList",
      "description": "Manages websites to be redirected to when blacklisted websites are accessed.",
      "label": "Edit"
    }
  ],
  "name": "readmore",
  "title": "ReadMore",
  "id": "jid1-tX3s0pBjqPzQAw",
  "description": "Blocks blacklisted websites and redirects to whitelisted websites.",
  "author": "Eric Schmitt",
  "license": "MPL 2.0",
  "version": "1.0"
 }

Update with preferences to be implemented
Update with preferences to be implemented

Package preferences provide control buttons that may allow for user BlackList and WhiteList editing in the future.