Examine source code of Jaxcore Browser Extension

{
  "name": "__MSG_appName__",
  "version": "0.0.2",
  "manifest_version": 2,
  "description": "__MSG_appDescription__",
  "icons": {
    "16": "assets/icons/icon-16.png",
    "128": "assets/icons/icon-128.png"
  },
  "default_locale": "en",
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "content/content.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background/background.js"
    ]
  },
  "permissions": [
    "tabs",
    "storage",
    "http://*/*",
    "https://*/*"
  ],
  "options_ui": {
    "page": "options/index.html"
  },
  "browser_action": {
    "default_icon": {
      "19": "assets/icons/icon-19.png",
      "38": "assets/icons/icon-38.png"
    },
    "default_title": "Extension Boilerplate",
    "default_popup": "popup/index.html"
  },
  "applications": {
    "gecko": {
      "id": "info@jaxcore.com"
    }
  }
}