Examine source code of DSO peacemaker

{
  "manifest_version": 2,
  "name": "DSO peacemaker",
  "version": "1.2.2resigned1",
  "description": "Usability improvements and a filter for annoying forum users for the Drehscheibe-Online forum.",
  "applications": {
    "gecko": {
      "id": "{c73eab47-7066-40a7-a542-558f57cf0760}",
      "strict_min_version": "53.0"
    }
  },
  "icons": {
    "48": "icons/dso-48.png",
    "96": "icons/dso-96.png"
  },
  "permissions": [
    "storage"
  ],
  "browser_action": {
    "browser_style": false,
    "default_icon": {
      "32": "icons/dso-32.png"
    },
    "default_title": "DSO peacemaker",
    "default_popup": "popups/config.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.drehscheibe-online.de/foren/*"
      ],
      "js": [
        "dso-peacemaker.js"
      ]
    }
  ]
}