Examine source code of Schedule Capsule

{
  "manifest_version": 2,
  "name": "TimeCapsule",
  "version": "1.1.0",
  "description": "Save pages to open on a future date.",
  "permissions": [
    "storage",
    "tabs",
    "alarms",
    "notifications"
  ],
  "background": {
    "scripts": [
      "capsule/deepfreeze.js",
      "agenda/clock.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_title": "TimeCapsule",
    "default_popup": "calendar/ledger.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "KaleyOdonovan5111@outlook.com",
      "strict_min_version": "91.1.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "options_ui": {
    "page": "epoch/preferences.html",
    "open_in_tab": false
  },
  "icons": {
    "48": "epoch/hourglass.svg"
  }
}