Examine source code of Quick Screenshot Tagger

{
  "manifest_version": 2,
  "name": "Quick Screenshot Tagger",
  "version": "1.0",
  "description": "Captures screenshots of the current tab, allows tagging, and manages them in a popup, with auto-capture option.",
  "permissions": [
    "activeTab",
    "storage",
    "tabs",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "scripts/background.js"
    ]
  },
  "browser_action": {
    "default_popup": "ui/popup.html",
    "default_title": "Quick Screenshot Tagger"
  },
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ce176938-0a5f-4c26-b02b-96e3383bb0e5}"
    }
  }
}