Examine source code of ShortcutThing

{
  "icons": {
    "16": "icon16.plasmo.9ea2b4e9.png",
    "32": "icon32.plasmo.e5c308df.png",
    "48": "icon48.plasmo.90263fbd.png",
    "64": "icon64.plasmo.0dbc1a4b.png",
    "128": "icon128.plasmo.ea995a57.png"
  },
  "manifest_version": 2,
  "browser_action": {
    "default_icon": {
      "16": "icon16.plasmo.9ea2b4e9.png",
      "32": "icon32.plasmo.e5c308df.png",
      "48": "icon48.plasmo.90263fbd.png",
      "64": "icon64.plasmo.0dbc1a4b.png",
      "128": "icon128.plasmo.ea995a57.png"
    },
    "default_popup": "popup.html"
  },
  "version": "0.0.1",
  "author": " ",
  "name": "ShortcutThing",
  "description": " ",
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.1b7ca1e9.js"
      ],
      "css": []
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{2db98423-469d-4d98-8e2e-8e0cf4fc7e3a}"
    }
  }
}