Examine source code of Markdown Collector

{
  "manifest_version": 2,
  "name": "Markdown Collector",
  "version": "1.4.3",
  "description": "Privacy-focused webpage to markdown converter. Stores all data locally, with optional AI-powered content refinement.",
  "permissions": [
    "tabs",
    "activeTab",
    "storage",
    "clipboardWrite",
    "webRequest",
    "<all_urls>",
    "https://api.openai.com/"
  ],
  "background": {
    "scripts": [
      "scripts/components/markdownUtils.js",
      "scripts/components/tabManager.js",
      "scripts/components/llmProcessor.js",
      "scripts/components/background.js"
    ],
    "type": "module"
  },
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "112.0",
      "id": "{cdc1c1ef-5965-4fe5-87f8-55083ef411aa}"
    }
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icons/icon48.png",
      "64": "icons/icon64.png",
      "128": "icons/icon128.png",
      "512": "icons/icon512.png"
    }
  },
  "icons": {
    "48": "icons/icon48.png",
    "64": "icons/icon64.png",
    "128": "icons/icon128.png",
    "512": "icons/icon512.png"
  },
  "commands": {
    "save-url": {
      "suggested_key": {
        "default": "Alt+I"
      },
      "description": "Save current URL and convert to Markdown"
    },
    "open-markdown-page": {
      "suggested_key": {
        "default": "Alt+M"
      },
      "description": "Open Markdown collection page"
    },
    "copy-as-markdown": {
      "suggested_key": {
        "default": "Alt+C"
      },
      "description": "Copy current page as Markdown"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "libs/Readability.js",
        "libs/turndown.min.js",
        "scripts/components/content.js",
        "scripts/components/fetchContent.js"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    "fonts/Atkinson-Hyperlegible-Regular-102.ttf",
    "fonts/Atkinson-Hyperlegible-Bold-102.ttf",
    "libs/diff.min.js",
    "libs/turndown.min.js",
    "libs/Readability.js",
    "settings.html",
    "scripts/components/settings.js",
    "scripts/components/popup.js",
    "legal/privacy-policy.html",
    "legal/impressum.html"
  ],
  "options_ui": {
    "page": "settings.html",
    "open_in_tab": true
  }
}