Examine source code of Sidesy: Your Comments Sidebar For YouTube

{
  "manifest_version": 2,
  "name": "Sidesy: Your Comments Sidebar For YouTube",
  "version": "1.8.0",
  "description": "Bring YouTube comments to the side. Dive into the comments without scrolling past the video.",
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "js": [
        "constants.js",
        "scripts/comments.js"
      ],
      "css": [
        "scripts/styles.css"
      ]
    }
  ],
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "128": "images/sidesy-128.png"
    }
  },
  "background": {
    "scripts": [
      "constants.js",
      "background.js"
    ],
    "persistent": false
  },
  "commands": {
    "toggle-sidebar": {
      "suggested_key": {
        "default": "Alt+Shift+S"
      },
      "description": "Toggle comments sidebar"
    }
  },
  "permissions": [
    "storage"
  ],
  "icons": {
    "128": "images/sidesy-128.png"
  },
  "web_accessible_resources": [
    "images/sidesy-128.png",
    "images/close.svg"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{d7186b06-24b7-4493-9fbd-53efc53220a6}"
    }
  }
}