Examine source code of image

{
  "name": "search",
  "description": "search features image search through keywords like hashtags, etc. The purpose is to facilitate image search. Click on the add-on icon for its action.",
  "version": "6.0",
  "permissions": [
    "<all_urls>",
    "tabs",
    "webRequest"
  ],
  "background": {
    "scripts": [
      "background.js?0"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js?0",
        "jquery-3.4.1.min.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "gpl-1.0.txt?0",
    "popup.html?0",
    "page_image.html?0"
  ],
  "browser_action": {
    "default_icon": "default-64.png",
    "default_title": "Search"
  },
  "incognito": "spanning",
  "options_ui": {
    "page": "./options.html?0"
  },
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{cf0b8410-c1df-4519-92bb-a9b8a8924440}"
    }
  }
}