YouTube Hover Play with Comments in Sidebar Firefox

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manifest.json
{
  "manifest_version": 3,
  "name": "Youtube hover play comments in Sidebar",
  "version": "2.1.1",
  "description": "Show YouTube comments in a sidebar and autoplay videos on hover with one popup.",
  "browser_specific_settings": {
    "gecko": {
      "id": "youtube-comments-sidebar@addon.local",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/watch*"
      ],
      "js": [
        "showYoutubeComments.js"
      ],
      "css": [
        "showYoutubeComments.css"
      ]
    }
  ],
  "host_permissions": [
    "https://www.youtube.com/watch*"
  ],
  "permissions": [
    "storage",
    "scripting",
    "webNavigation"
  ],
  "background": {
    "scripts": [
      "detectPageChange.js"
    ],
    "service_worker": "detectPageChange.js"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "128": "128.png"
    }
  },
  "icons": {
    "128": "128.png"
  },
  "commands": {
    "toggle-hover-play": {
      "suggested_key": {
        "default": "Alt+H"
      },
      "description": "Toggle hover autoplay on or off"
    }
  }
}

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