Examine source code of X for Shipper

{
  "manifest_version": 3,
  "name": "X for Shipper",
  "version": "0.2.20",
  "description": "Filter, collapse, or highlight X/Twitter posts with shipper-friendly regex and pairing rules.",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://x.com/*",
    "*://*.x.com/*",
    "*://twitter.com/*",
    "*://*.twitter.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://x.com/*",
        "*://*.x.com/*",
        "*://twitter.com/*",
        "*://*.twitter.com/*"
      ],
      "js": [
        "src/content.js"
      ],
      "css": [
        "src/content.css"
      ],
      "run_at": "document_start"
    }
  ],
  "action": {
    "default_title": "X for Shipper",
    "default_popup": "src/popup.html",
    "default_icon": {
      "16": "icons/icon.svg",
      "32": "icons/icon.svg",
      "48": "icons/icon.svg",
      "96": "icons/icon.svg"
    }
  },
  "options_ui": {
    "page": "src/options.html",
    "open_in_tab": true
  },
  "icons": {
    "48": "icons/icon.svg",
    "96": "icons/icon.svg",
    "128": "icons/icon.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "x-tweet-hider@example.local",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}