Examine source code of Fwd: Extension

{
  "manifest_version": 2,
  "name": "__MSG_extName__",
  "homepage_url": "https://fwd.wiki/collections/fwd-extension",
  "description": "An extension of https://fwd.wiki/",
  "default_locale": "en",
  "permissions": [
    "activeTab",
    "storage",
    "contextMenus",
    "topSites",
    "sessions",
    "chrome://favicon/",
    "<all_urls>",
    "*://*/*"
  ],
  "icons": {
    "16": "icons/16.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "background": {
    "scripts": [
      "js/background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "__MSG_extName__",
    "default_icon": {
      "19": "icons/19.png",
      "38": "icons/38.png"
    }
  },
  "content_scripts": [
    {
      "css": [
        "css/styles.css"
      ],
      "js": [
        "js/content-script.js"
      ],
      "matches": [
        "*://*/*"
      ]
    },
    {
      "css": [
        "css/google-meet.css"
      ],
      "js": [
        "js/google-meet.js"
      ],
      "matches": [
        "*://meet.google.com/*"
      ]
    }
  ],
  "content_security_policy": "script-src 'self' ; https://www.gstatic.com/ https://*.firebaseio.com https://www.googleapis.com; object-src 'self'",
  "web_accessible_resources": [
    "popup.html"
  ],
  "options_ui": {
    "page": "options.html"
  },
  "chrome_url_overrides": {
    "newtab": "override.html"
  },
  "version": "0.1.1"
}