Examine source code of Togglific

{
  "manifest_version": 2,
  "name": "Togglific",
  "author": "Scott Vinkle <scott.vinkle@shopify.com>",
  "version": "0.16.1resigned1",
  "description": "",
  "homepage_url": "https://togglific.io",
  "icons": {
    "16": "icons/resume16.png",
    "24": "icons/resume24.png",
    "32": "icons/resume32.png",
    "48": "icons/resume48.png",
    "96": "icons/resume96.png",
    "128": "icons/resume128.png"
  },
  "permissions": [
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/resume16.png",
      "24": "icons/resume24.png",
      "32": "icons/resume32.png",
      "48": "icons/resume48.png",
      "96": "icons/resume96.png",
      "128": "icons/resume128.png"
    },
    "default_title": "Togglific"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "togglific.js"
      ],
      "run_at": "document_end"
    }
  ],
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+X"
      }
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a3bace6c-68e8-47f5-b5ec-994961d5bb52}"
    }
  }
}