Examine source code of Markdown Capturer - BibCit

{
  "manifest_version": 2,
  "name": "Markdown Capturer - BibCit",
  "description": "Capture Markdown, download docx, pdf from chatgpt, Gemini, NotebookLM. For NotebookLM it also includes intext and references.",
  "version": "2.9",
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_title": "Capture MD"
  },
  "background": {
    "scripts": [
      "scripts/utils.js",
      "scripts/background.js"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "scripts/bibcit_marker.js"
      ],
      "matches": [
        "https://www.bibcit.com/*",
        "https://bibcit.com/*"
      ],
      "run_at": "document_start"
    },
    {
      "js": [
        "scripts/content_inject.js"
      ],
      "matches": [
        "https://chatgpt.com/*",
        "https://chat.openai.com/*",
        "https://gemini.google.com/*",
        "https://notebooklm.google.com/*"
      ],
      "run_at": "document_start"
    },
    {
      "js": [
        "scripts/content_utils.js",
        "scripts/content.js"
      ],
      "matches": [
        "https://chatgpt.com/*",
        "https://chat.openai.com/*",
        "https://gemini.google.com/*",
        "https://notebooklm.google.com/*"
      ],
      "run_at": "document_idle"
    },
    {
      "js": [
        "scripts/notebooklm_upload.js"
      ],
      "matches": [
        "https://notebooklm.google.com/*"
      ],
      "run_at": "document_idle"
    }
  ],
  "content_security_policy": "script-src 'self'; object-src 'self';",
  "web_accessible_resources": [
    "scripts/injector.js",
    "_locales/*/messages.json"
  ],
  "default_locale": "en",
  "permissions": [
    "storage",
    "downloads",
    "tabs",
    "https://chatgpt.com/*",
    "https://chat.openai.com/*",
    "https://gemini.google.com/*",
    "https://notebooklm.google.com/*",
    "https://api.bibcit.com/*"
  ],
  "icons": {
    "16": "images/icon-16.png",
    "32": "images/icon-32.png",
    "48": "images/icon-48.png",
    "128": "images/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "bibcithelp@gmail.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "109.0"
    }
  }
}