Examine source code of Reddit Contextualizer

{
  "manifest_version": 3,
  "name": "Reddit Contextualizer",
  "version": "1.0.0",
  "description": "Adds instant context to your Reddit experience by showing historical behavior for any user.",
  "permissions": [],
  "host_permissions": [
    "https://redditcontextualizer-api.sigpwned.com/*"
  ],
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.reddit.com/*",
        "https://old.reddit.com/*"
      ],
      "js": [
        "purify.min.js",
        "content.js"
      ],
      "css": [
        "style.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icons/*"
      ],
      "matches": [
        "https://www.reddit.com/*",
        "https://old.reddit.com/*"
      ]
    }
  ],
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png",
    "256": "icons/256.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@reddit-contextualizer",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}