Examine source code of Coding Tab

{
  "manifest_version": 2,
  "name": "Coding Tab",
  "description": "Opens cool animation random image with a random coding quote.",
  "homepage_url": "https://github.com/nabendu82/Coding-Tab",
  "version": "1.1resigned1",
  "icons": {
    "32": "icons/logo_32.png",
    "64": "icons/logo_64.png"
  },
  "chrome_url_overrides": {
    "newtab": "tabs.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{12976600-6948-4b34-b711-f7dc13680237}"
    }
  }
}