Examine source code of Highlight Saver

{
  "manifest_version": 2,
  "name": "Highlight Saver",
  "version": "1.0",
  "description": "Highlight text on any webpage, save it, and review or delete highlights later with a lavender-themed interface.",
  "icons": {
    "48": "icon.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "contextMenus"
  ],
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1aef893b-487f-4a55-8868-ba939c4d41ae}"
    }
  }
}