Examine source code of YouTube side comments

{
  "name": "Show YouTube comments while watching",
  "version": "1.0.6",
  "description": "Show YouTube comments on the right of the video. Read comments while you watch!",
  "manifest_version": 3,
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/watch*"
      ],
      "js": [
        "showYoutubeComments.js"
      ],
      "css": [
        "showYoutubeComments.css"
      ]
    }
  ],
  "host_permissions": [
    "https://www.youtube.com/watch*"
  ],
  "permissions": [
    "scripting",
    "webNavigation",
    "storage"
  ],
  "background": {
    "service_worker": "detectPageChange.js",
    "scripts": [
      "detectPageChange.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "show-youtube-comments@tanguykurylo",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "128": "128.png"
    }
  },
  "icons": {
    "128": "128.png"
  }
}