manifest.json

{
  "name": "Bookmark Manager",
  "version": "2.3.5",
  "description": "Displays and organises your bookmarks",
  "permissions": ["storage", "bookmarks", "history"],
  "icons": {
    "16": "images/BM squish.png",
    "48": "images/BM squish@4x.png",
    "128": "images/BM squish@8x.png"
  },
  "chrome_url_overrides" : {
    "newtab" : "newTab.html"
  },
  "options_page": "options.html",
  "background":{
    "scripts": ["main.js"],
    "persistent": false
  },
  "browser_action": {
    "default_icon": "images/BM squish@8x.png",
    "default_popup": "popup.html"
  },
  "content_security_policy":
  "script-src 'self' https://www.google-analytics.com https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js https://fonts.googleapis.com ;  object-src 'self';",
  "manifest_version": 2
}