Examine source code of JS Beautify,CSS,HTML

{
  "description": "This extension For beautify js and css and html ",
  "icons": {
    "48": "images/icon-48.png",
    "128": "images/icon-128.png"
  },
  "manifest_version": 2,
  "name": "JS_Beautify,CSS_Beautify,HTML_Beautify",
  "permissions": [
    "<all_urls>",
    "https://djallalzoldik.github.io/",
    "activeTab",
    "tabs",
    "storage",
    "webRequest"
  ],
  "browser_action": {
    "default_title": "Beautify(CSS,JS,HTML)",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "scripts/beautify.min.js",
        "scripts/beautify-html.min.js",
        "scripts/beautify-css.min.js",
        "scripts/content.js",
        "scripts/prism.min.js",
        "scripts/prism-javascript.min.js",
        "scripts/prism-css.min.js"
      ]
    }
  ],
  "commands": {
    "my-shortcut-js": {
      "suggested_key": {
        "default": "Ctrl+1",
        "mac": "Ctrl+1"
      },
      "description": "beautify To js"
    },
    "my-shortcut-css": {
      "suggested_key": {
        "default": "Ctrl+2",
        "mac": "Ctrl+2"
      },
      "description": "beautify To css"
    },
    "my-shortcut-html": {
      "suggested_key": {
        "default": "Ctrl+3",
        "mac": "Ctrl+3"
      },
      "description": "beautify To html"
    }
  },
  "version": "1.6",
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "57.0",
      "id": "{f0216e09-a67b-46c7-968b-7d415570ca70}"
    }
  }
}