Examine source code of BetterBLOX - Better Roblox Extension

{
  "manifest_version": 2,
  "name": "BetterBLOX - Better Roblox Extension",
  "author": "Allory Dante",
  "homepage_url": "https://betterroblox.com",
  "version": "2.7.3",
  "description": "BetterBLOX is a Better Roblox Extension that shows when users were last online. Adds free server region selector and player popups.",
  "browser_specific_settings": {
    "gecko": {
      "id": "betterroblox@allorydante.com"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_action": {
    "default_popup": "betterblox-popup/default/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "BetterBLOX"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "permissions": [
    "storage",
    "unlimitedStorage",
    "notifications",
    "cookies",
    "alarms",
    "menus",
    "tabs",
    "webRequest",
    "webRequestBlocking",
    "*://*.roblox.com/*",
    "*://*.rbxcdn.com/*",
    "https://*.betterroblox.com/*",
    "https://betterroblox.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "web_accessible_resources": [
    "betterblox-frontend/core/context_scripts/xmlhttpRequestHook.js",
    "betterblox-frontend/core/context_scripts/serverIdExtractor.js",
    "betterblox-frontend/core/context_scripts/autoJoiner.js",
    "icons/svg/*.svg",
    "icons/png/*.png",
    "changelog.json",
    "styles/tailwind.css",
    "options.html"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://www.roblox.com/*",
        "*://roblox.com/*"
      ],
      "js": [
        "vendors.js",
        "bundle.js"
      ],
      "run_at": "document_end"
    }
  ]
}