Examine source code of Tiplly Plugin

{
  "manifest_version": 2,
  "name": "Tiplly Plugin",
  "version": "0.79.3",
  "description": "A plugin that enables ability to tip content creator, used in conjunction with the website tiplly.com",
  "icons": {
    "16": "images/zz-01.png",
    "48": "images/zz-01.png",
    "128": "images/zz-01.png"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*.youtube.com/*",
        "https://*.youtube.com/*",
        "http://*.metacafe.com/*",
        "https://*.metacafe.com/*",
        "https://*.veoh.com/watch/*",
        "http://*.veoh.com/watch/*",
        "https://*.iqiyi.com/v_*",
        "http://*.iqiyi.com/v_*",
        "https://*.v.qq.com/*",
        "http://*.y.qq.com/*",
        "http://*.bilibili.com/*",
        "https://*.bilibili.com/*",
        "http://*.pandora.tv/*",
        "https://*.pandora.tv/*",
        "http://tv.naver.com/*",
        "https://tv.naver.com/*",
        "http://*.com/*",
        "https://*.com/*",
        "http://localhost:5000/*",
        "http://localhost:4200/*",
        "http://localhost:8000/*"
      ],
      "js": [
        "/jquery-3.3.1.js",
        "/imagesLoaded.js",
        "/ltcPriceChecker.js",
        "/youtubescript.js",
        "/domStylescript.js",
        "/declarationsScript.js",
        "/extraClickFunctions.js",
        "/metacafescript.js",
        "/veohscript.js",
        "/iqiyiscript.js",
        "/vqqscript.js",
        "/bilibiliscript.js",
        "/pandoraTvScript.js",
        "/TvNaverScript.js",
        "/clickFunctions.js",
        "/clickFunctions4.js",
        "/clickFunctions5.js",
        "/clickFunctions6.js",
        "/videoFunctions.js",
        "/UrlStanderizer.js",
        "/uuidChecker.js",
        "/pageChecker.js",
        "/freezeframe.js",
        "populateList.js",
        "/popupmenu/popupmenuscript.js",
        "/popupmenu/getReceiptList.js",
        "currencyAjaxRequest.js",
        "pageChecker.js",
        "loadTipnList.js"
      ],
      "css": [
        "freezeframe.css"
      ]
    }
  ],
  "content_security_policy": "script-src 'self' https://js.stripe.com/v3; object-src 'self'; frame-src https://js.stripe.com/v3",
  "homepage_url": "https://tiplly.com",
  "browser_action": {
    "default_popup": "/popupmenu/popupMenu2.html",
    "default_title": "Tiplly Plugin"
  },
  "applications": {
    "gecko": {
      "id": "tiplly@tiplly.com"
    }
  },
  "permissions": [
    "*://youtube.com/*",
    "*://localhost/*",
    "storage",
    "*://metacafe.com/*",
    "*://veoh.com/*",
    "*://tiplly-api.com/*",
    "*://api.tiplly.com/*",
    "*://tiplly.com/*",
    "https://js.stripe.com/v3/",
    "https://www.floatrates.com/daily/usd.json",
    "https://api.coinlore.net/api/ticker/?id=1"
  ],
  "web_accessible_resources": [
    "images/*.gif",
    "images/*.png",
    "images/*.svg",
    "sounds/*.mp3"
  ]
}