Examine source code of dot js

{
  "manifest_version": 2,
  "name": "dotjs",
  "description": "dotjs for modern foxes",
  "version": "0.0.2resigned1",
  "icons": {
    "64": "icons/icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "content_script.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{3cc62ac9-f171-47f8-8c6e-3ada5fb6cf12}"
    }
  }
}