Examine source code of Minimal X

{
  "name": "Minimal X",
  "short_name": "Minimal X",
  "description": "Refine and declutter the 𝕏/Twitter web experience.",
  "version": "0.4",
  "icons": {
    "16": "images/MoreMinimalX-16.png",
    "32": "images/MoreMinimalX-32.png",
    "48": "images/MoreMinimalX-48.png",
    "128": "images/MoreMinimalX-128.png"
  },
  "permissions": [
    "storage"
  ],
  "options_ui": {
    "page": "index.html",
    "open_in_tab": true
  },
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{f718b762-bd7e-47d2-901f-e9057339c52a}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "run_at": "document_idle",
      "matches": [
        "https://twitter.com/*",
        "https://mobile.twitter.com/*",
        "https://x.com/*"
      ],
      "js": [
        "dist/main.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "css/main.css",
    "fonts/inter-subset.woff2"
  ],
  "browser_action": {
    "default_icon": {
      "16": "images/MoreMinimalX-16.png",
      "32": "images/MoreMinimalX-32.png",
      "48": "images/MoreMinimalX-48.png"
    },
    "default_title": "Minimal X",
    "default_popup": "index.html"
  }
}