Examine source code of Video Auto-Pause

{
  "manifest_version": 3,
  "name": "pause all videos",
  "version": "2.1.1",
  "description": "Pause videos automatically or manually via popup",
  "permissions": [
    "storage",
    "tabs",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "default_locale": "en",
  "action": {
    "default_popup": "src/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "commands": {
    "pause-current-page": {
      "suggested_key": {
        "default": "Ctrl+Shift+K"
      },
      "description": "Pause videos on current page"
    },
    "pause-all-pages": {
      "suggested_key": {
        "default": "Ctrl+Shift+Q"
      },
      "description": "Pause videos on all pages"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "auto-pause-videos@kouam.com"
    },
    "data_collection_permissions": {
      "required": false
    }
  }
}