Examine source code of Malayalam Fonts

{
  "name": "Malayalam Font",
  "description": "Malayalam fonts for the entire web.",
  "version": "0.4.1resigned1",
  "permissions": [
    "<all_urls>",
    "storage"
  ],
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "src/content.js"
      ],
      "css": [
        "src/malayalam.css"
      ]
    }
  ],
  "background": {
    "scripts": [
      "src/background.js"
    ]
  },
  "browser_action": {
    "default_title": "Select Malayalam Font",
    "default_icon": "icons/icon-48.png",
    "default_popup": "src/popup.html"
  },
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{6e646e1e-6d71-4929-a8bd-471f904ee470}"
    }
  }
}