Examine source code of Web Dictionary

{
  "manifest_version": 2,
  "name": "Web Dictionary",
  "description": "Get definition of any word by double clicking on it.",
  "version": "1.5.0",
  "homepage_url": "https://github.com/jhamadhav/extension-web-dictionary",
  "permissions": [
    "activeTab",
    "<all_urls>",
    "webRequest"
  ],
  "browser_action": {
    "default_icon": "icons/icon-48.svg",
    "default_title": "Web Dictionary",
    "default_popup": "popup/index.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "content/content-styles/main.min.css"
      ],
      "js": [
        "modules/api_call.js",
        "modules/dictionary.js",
        "content/content-script.js"
      ]
    }
  ],
  "icons": {
    "32": "icons/icon-48.svg",
    "48": "icons/icon-48.svg",
    "96": "icons/icon-48.svg"
  },
  "web_accessible_resources": [
    "icons"
  ]
}