Examine source code of Huge Find Indicator

{
  "manifest_version": 2,
  "name": "Huge Find Indicator",
  "version": "1.1",
  "description": "Adds large arrow markers to the current webpage indicating where the search term is located.",
  "homepage_url": "https://github.com/samhippo/Huge-Find-Indicator",
  "icons": {
    "48": "icons/icon-48.png"
  },
  "permissions": [
    "storage",
    "activeTab",
    "find"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icons/icon-48.png",
    "default_title": "Huge Find Indicator",
    "default_popup": "toolbar-popup/find.html"
  },
  "web_accessible_resources": []
}