Examine source code of Toggle Pin Tab

{
  "name": "Toggle Pin Tab",
  "description": "Press Alt+P to toggle the pin stat of the current tab",
  "homepage_url": "https://github.com/andreicristianpetcu/toggle-pin-tab",
  "author": "Andrei Petcu",
  "version": "1.0.1resigned1",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "32": "images/icon32x32.png",
    "64": "images/icon64x64.png"
  },
  "commands": {
    "toggle-pin-tab": {
      "suggested_key": {
        "default": "Alt+P"
      },
      "description": "Toogle the pin stat of the current tab"
    }
  },
  "applications": {
    "gecko": {
      "id": "{0ccbb198-ca03-4b1c-bc9c-cd0de758239d}"
    }
  },
  "manifest_version": 2
}