Examine source code of Panchang

{
  "name": "Panchang",
  "description": "Hindu calendar",
  "version": "0.2resigned1",
  "author": "Sai Karthik",
  "homepage_url": "https://gitlab.com/kskarthik",
  "manifest_version": 2,
  "icons": {
    "32": "img/swastik.png",
    "64": "img/swastik.png"
  },
  "browser_action": {
    "default_icon": "img/swastik.png",
    "default_title": "Panchang",
    "default_popup": "panchang.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a536bdab-0728-4e8d-ab53-23943a79d172}"
    }
  }
}