Examine source code of RateFlix Plus

{
  "manifest_version": 2,
  "name": "__MSG_appName__",
  "description": "__MSG_appDesc__",
  "version": "1.9.14",
  "applications": {
    "gecko": {
      "id": "RateFlixPlus@CromS"
    }
  },
  "default_locale": "en",
  "icons": {
    "16": "images/icon__16.png",
    "24": "images/icon__24.png",
    "32": "images/icon__32.png",
    "48": "images/icon__48.png",
    "128": "images/icon__128.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "images/icon__16.png",
      "24": "images/icon__24.png",
      "32": "images/icon__32.png",
      "48": "images/icon__48.png"
    },
    "default_title": "RateFlix Plus",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.netflix.com/*"
      ],
      "css": [
        "stylesheets/contentscript.css",
        "stylesheets/tooltip.css",
        "stylesheets/injectMain.css"
      ],
      "js": [
        "javascript/jquery-3.4.1.min.js",
        "javascript/logger.js",
        "javascript/omdb.js",
        "javascript/ratings.js",
        "javascript/inject.js",
        "javascript/extract.js",
        "javascript/injectMain.js",
        "javascript/contentscript.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "javascript/background.js",
      "javascript/MD5.js"
    ]
  },
  "permissions": [
    "https://*.netflix.com/*",
    "*://private.omdbapi.com/*",
    "*://*.kinorium.com/*",
    "*://*.filmweb.pl/*",
    "*://www.rottentomatoes.com/*",
    "*://us-central1-useful-scores-for-netflix.cloudfunctions.net/*",
    "*://v2.sg.media-imdb.com/*",
    "tabs",
    "unlimitedStorage"
  ],
  "web_accessible_resources": [
    "images/imdb_31x14.png",
    "images/rt_logo.png",
    "images/metacritic_logo.png",
    "images/kp.png",
    "images/kr.png",
    "images/pop.png",
    "images/tmdb.png",
    "images/25.gif",
    "images/moreinfo.png",
    "images/filmweb.png",
    "images/icon__32.png"
  ]
}