Examine source code of Triangle Match Game

{
  "name": "Triangle Match Game",
  "short_name": "triangle match",
  "version": "0.1.1",
  "description": "Find pairs of identical triangles in a given time.",
  "icons": {
    "16": "images/logo.png",
    "48": "images/logo.png",
    "128": "images/logo.png"
  },
  "action": {
    "default_icon": "images/logo.png",
    "default_popup": "popup.html"
  },
  "manifest_version": 3,
  "browser_specific_settings": {
    "gecko": {
      "id": "{23a64377-e25e-48f3-bed9-982af438f9df}"
    }
  }
}