Examine source code of phabrinter

{
  "manifest_version": 2,
  "name": "phabrinter",
  "version": "0.7",
  "description": "Make Phabricator usability more similar to Splinter.",
  "permissions": [
    "storage",
    "https://phabricator.services.mozilla.com/D*"
  ],
  "icons": {
    "96": "phabrinter.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://phabricator.services.mozilla.com/D*"
      ],
      "js": [
        "globalState.js",
        "phabrinter.js"
      ],
      "css": [
        "phabrinter.css"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html"
  },
  "applications": {
    "gecko": {
      "id": "phabrinter@unmht.org",
      "strict_min_version": "62.0"
    }
  }
}