Examine source code of CapyBaras

{
  "manifest_version": 2,
  "name": "CapyBara",
  "version": "1.1",
  "description": "This addon replaces images with pictures of capybaras. Originally it replaced with Nicolas Cage images. (I changed it)",
  "applications": {
    "gecko": {
      "id": "imjustdeadpool05@gmail.com"
    }
  },
  "icons": {
    "32": "icon-32.png",
    "64": "icon-64.png",
    "128": "icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "capyfy.js"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "homepage_url": "http://github.com/not-DEADPOOL/CapyBaraAddon"
}