Examine source code of slideshow Web

{
  "manifest_version": 2,
  "name": "SlideWeb",
  "version": "1.2resigned1",
  "description": "A basic add-on Slide web",
  "icons": {
    "16": "icons/time16.png",
    "32": "icons/time32.png",
    "64": "icons/time64.png"
  },
  "permissions": [
    "storage",
    "tabs",
    "<all_urls>"
  ],
  "browser_action": {
    "default_icon": {
      "16": "icons/time16.png",
      "32": "icons/time32.png",
      "64": "icons/time64.png"
    },
    "default_title": "A basic add-on Slide web",
    "default_popup": "/data/main.html"
  },
  "background": {
    "scripts": [
      "/data/jquery-3.3.1.min.js",
      "/data/slide.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d3494cc3-85c5-4899-9c0d-87674024f396}"
    }
  }
}