Examine source code of X Ally

{
  "manifest_version": 2,
  "name": "X Ally",
  "description": "Your ally on X",
  "version": "0.4.0",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "permissions": [
    "storage",
    "activeTab",
    "https://x.com/*",
    "https://pro.x.com/*",
    "https://api.x.com/*",
    "https://x-ally.com/*"
  ],
  "web_accessible_resources": [
    "react-fiber-detector.js",
    "react-communicator.js",
    "content-scripts/content.css"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "x-ally@x-ally.com"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "X Ally Config",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.x.com/*"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}