return-youtube-dislike/Extensions/chrome/manifest.json

{
  "name": "Youtube Dislike Button",
  "description": "Returns ability to see dislikes",
  "version": "0.0.0.3",
  "manifest_version": 3,
  "background": {
    "service_worker": "background.js"
  },
  "permissions": ["activeTab", "scripting"],
  "host_permissions": ["*://*.youtube.com/*"],
  "action": {
    "default_popup": "popup.html"
  },
  "oauth2": {
    "client_id": "292556337651-kbmq2pduaejrol457a5s1089ut6ug0u9.apps.googleusercontent.com",
    "scopes": ["openid"]
  },
  "content_scripts": [
    {
      "matches": ["*://*.youtube.com/*"],
      "js": ["content-script.js"],
      "run_at": "document_idle"
    }
  ]
}