Examine source code of extensify productivity

{
  "manifest_version": 2,
  "name": "extensify BE",
  "author": "Harshit Jain",
  "version": "1.0",
  "description": "A browser extension that let's you manage your daily task with soothing background and inspiring quotes",
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0e20c5c9-f449-4310-a8af-2de1d37b737c}"
    }
  }
}