Examine source code of Youtube Transcript Search

{
  "manifest_version": 3,
  "version": "1.0.1",
  "name": "Youtube Transcript Search",
  "description": "Search through any Youtube video's transcripts.",
  "browser_specific_settings": {
    "gecko": {
      "id": "katella@katell.xyz"
    }
  },
  "icons": {
    "128": "icon128.png"
  },
  "incognito": "split",
  "permissions": [
    "webNavigation"
  ],
  "background": {
    "scripts": [
      "service-worker.js"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "lunr.js",
        "search.js"
      ],
      "matches": [
        "*://*.youtube.com/*"
      ],
      "run_at": "document_end"
    }
  ]
}