Examine source code of Kindled Spirit

{
  "manifest_version": 2,
  "name": "Kindled Spirit",
  "version": "1.1",
  "description": "Personalized Scripture in every new tab.",
  "icons": {
    "128": "assets/icon-128.png"
  },
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "128": "assets/icon-128.png"
    },
    "default_title": "Open Kindled Spirit"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{125ef068-4aaf-4624-8aee-4aa6759e9bce}"
    }
  }
}