Examine source code of testplugin2421

{
  "author": "RoPro Development Team",
  "background": {
    "persistent": true,
    "scripts": [
      "/js/libraries/jquery-3.5.1.min.js",
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "options.html",
    "default_title": "RoPro"
  },
  "content_scripts": [
    {
      "css": [
        "/css/page/trade.css"
      ],
      "js": [
        "/js/libraries/jquery-3.5.1.min.js",
        "/js/page/trade.js"
      ],
      "matches": [
        "*://*.roblox.com/trades*"
      ],
      "run_at": "document_start"
    },
    {
      "js": [
        "/js/libraries/jquery-3.5.1.min.js",
        "/js/page/tradePreview.js"
      ],
      "matches": [
        "*://*.roblox.com/trades*"
      ],
      "run_at": "document_end"
    },
    {
      "css": [
        "/css/page/profile.css",
        "/css/page/trade.css"
      ],
      "js": [
        "/js/libraries/jquery-3.5.1.min.js",
        "/js/page/profile.js",
        "/js/page/trade.js",
        "/js/page/profileThemes.js"
      ],
      "matches": [
        "*://*.roblox.com/users/*"
      ],
      "run_at": "document_end"
    },
    {
      "css": [
        "/css/page/item.css",
        "/css/page/wishlist.css"
      ],
      "js": [
        "/js/libraries/jquery-3.5.1.min.js",
        "/js/page/item.js",
        "/js/page/comments.js",
        "/js/page/resellers.js",
        "/js/page/wishlist.js"
      ],
      "matches": [
        "*://*.roblox.com/catalog/*"
      ],
      "run_at": "document_end"
    },
    {
      "css": [
        "/css/page/wishlistMain.css"
      ],
      "js": [
        "/js/libraries/jquery-3.5.1.min.js",
        "/js/page/wishlistMain.js"
      ],
      "matches": [
        "*://*.roblox.com/offers"
      ],
      "run_at": "document_start"
    },
    {
      "css": [
        "/css/page/sandbox.css"
      ],
      "js": [
        "/js/libraries/jquery-3.5.1.min.js",
        "/js/page/sandbox.js"
      ],
      "matches": [
        "*://*.roblox.com/sandbox"
      ],
      "run_at": "document_start"
    },
    {
      "js": [
        "/js/libraries/jquery-3.5.1.min.js",
        "/js/page/quickSearch.js"
      ],
      "matches": [
        "*://*.roblox.com/*"
      ],
      "run_at": "document_end"
    },
    {
      "css": [
        "/css/page/additionalMenuItems.css"
      ],
      "js": [
        "/js/libraries/jquery-3.5.1.min.js",
        "/js/page/additionalMenuItems.js"
      ],
      "matches": [
        "*://*.roblox.com/*"
      ],
      "run_at": "document_start"
    },
    {
      "css": [
        "/css/page/randomGame.css"
      ],
      "js": [
        "/js/libraries/jquery-3.5.1.min.js",
        "/js/page/randomGame.js"
      ],
      "matches": [
        "*://*.roblox.com/games#/",
        "*://*.roblox.com/games/",
        "*://*.roblox.com/games",
        "*://*.roblox.com/experiences#/",
        "*://*.roblox.com/experiences/",
        "*://*.roblox.com/experiences",
        "*://*.roblox.com/discover#/",
        "*://*.roblox.com/discover/",
        "*://*.roblox.com/discover"
      ],
      "run_at": "document_end"
    },
    {
      "css": [
        "/css/page/gamePage.css",
        "/css/page/gameFilter.css"
      ],
      "js": [
        "/js/libraries/jquery-3.5.1.min.js",
        "/js/page/gamePage.js",
        "/js/page/gameFilter.js"
      ],
      "matches": [
        "*://*.roblox.com/games/*",
        "*://*.roblox.com/experiences/*",
        "*://*.roblox.com/experience/*",
        "*://*.roblox.com/discover/*"
      ],
      "run_at": "document_end"
    },
    {
      "css": [
        "/css/page/gamePage.css"
      ],
      "js": [
        "/js/libraries/jquery-3.5.1.min.js",
        "/js/page/groupPage.js"
      ],
      "matches": [
        "*://*.roblox.com/groups/*"
      ],
      "run_at": "document_end"
    },
    {
      "css": [
        "/css/page/home.css"
      ],
      "js": [
        "/js/libraries/jquery-3.5.1.min.js",
        "/js/page/home.js"
      ],
      "matches": [
        "*://*.roblox.com/home*"
      ],
      "run_at": "document_idle"
    },
    {
      "css": [
        "/css/page/friends.css"
      ],
      "js": [
        "/js/libraries/jquery-3.5.1.min.js",
        "/js/page/friends.js"
      ],
      "matches": [
        "*://*.roblox.com/users/*/friends*",
        "*://*.roblox.com/users/friends*"
      ],
      "run_at": "document_end"
    },
    {
      "css": [
        "/css/page/catalog.css"
      ],
      "js": [
        "/js/libraries/jquery-3.5.1.min.js",
        "/js/page/catalog.js"
      ],
      "matches": [
        "*://*.roblox.com/catalog*"
      ],
      "run_at": "document_end"
    },
    {
      "css": [
        "/css/page/avatar.css"
      ],
      "js": [
        "/js/libraries/jquery-3.5.1.min.js",
        "/js/page/avatar.js"
      ],
      "matches": [
        "*://*.roblox.com/my/avatar*"
      ],
      "run_at": "document_start"
    },
    {
      "js": [
        "/js/libraries/jquery-3.5.1.min.js",
        "/js/page/invite.js"
      ],
      "matches": [
        "*://*.ropro.io/join/*"
      ],
      "run_at": "document_end"
    },
    {
      "js": [
        "/js/libraries/jquery-3.5.1.min.js",
        "/js/page/subscription.js"
      ],
      "matches": [
        "*://*.ropro.io/subscription/*"
      ],
      "run_at": "document_end"
    }
  ],
  "default_locale": "en",
  "description": "__MSG_description__",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAhGmYsEtXY1/SIpSZINmGpx4ASwBIXSlUB9a/ngyUg3b2V2rXKo0QZvh/5x//PpgR85gFqFcvQzlK/b74QvyS8A1edMqkxwknmvNLdtBU1a6gJj6aYyj5DiPAWEUxizMC1F5uZ5o2i59ghAH+7yuT/YK4ggxYwd/1lIkP8oekvAxqJmCWL+rxXWNGqhSCpID8Mxjcbf3w8o6YefALD2vS/4wtTVHEa0ODm9g6cgEsz/1/GVgErJwYMzmIdhLni1WEyTNg+gQf66TcOhWYBO4c4tiCC00dlaae25rTQD/BNvRpQx/YGOZ7q4VB/j3gxJxRoP1jNA4N8qyHDD7FxtYc+QIDAQAB",
  "manifest_version": 2,
  "name": "__MSG_name__",
  "permissions": [
    "notifications",
    "storage",
    "*://*.roblox.com/*",
    "*://*.ropro.io/*",
    "*://*.rbxcdn.com/*"
  ],
  "short_name": "RoPro",
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "1.2.7",
  "web_accessible_resources": [
    "/js/page/fetchAngular.js",
    "/js/page/fetchStatus.js",
    "/js/page/fetchAvatar.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{1bb658bf-0610-4374-a835-8b251b065ffa}"
    }
  }
}