Examine source code of eBay Explorer

{
  "manifest_version": 2,
  "name": "eBay Explorer",
  "version": "1.1.1",
  "description": "",
  "permissions": [
    "storage",
    "tabs",
    "https://www.google.com/recaptcha/api.js?onload=onloadcallback&render=explicit",
    "https://www.google.com/recaptcha/api.js",
    "https://www.google.com/",
    "https://www.gstatic.com/recaptcha/releases/YhkYx1k-yvvb8OonJPmOpoJY/recaptcha__en.js",
    "https://www.gstatic.com/"
  ],
  "background": {
    "scripts": [
      "./jquery.js",
      "static/js/background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "js": [
        "./jquery.js",
        "static/js/content.js"
      ],
      "matches": [
        "https://www.google.com/search*",
        "https://www.otto.de/*",
        "https://www.amazon.com/*",
        "https://www.amazon.com/-/*",
        "https://www.google.de/search*",
        "https://www.amazon.de/*",
        "https://www.amazon.de/-/*",
        "https://www.autodoc.de/*",
        "https://www.autodoc.de/-/*",
        "https://www.wayfair.de/*",
        "https://www.obi.de/*",
        "https://www.booklooker.de/*",
        "https://www.idealo.de/*",
        "https://www.mydealz.de/*",
        "https://www.kfzteile24.de/*",
        "https://www.xxxlutz.de/*",
        "https://www.hornbach.de/*",
        "https://www.bauhaus.info/*"
      ],
      "all_frames": true,
      "run_at": "document_end"
    }
  ],
  "icons": {
    "192": "logo.png"
  },
  "content_security_policy": "script-src 'self'; script-src-elem 'self' 'unsafe-eval' https://www.google.com/ https://www.google.com/recaptcha/api.js https://www.gstatic.com/recaptcha/releases/YhkYx1k-yvvb8OonJPmOpoJY/recaptcha__en.js https://www.gstatic.com/ 'unsafe-inline'; object-src 'self'",
  "web_accessible_resources": [
    "popup.html",
    "/static/*"
  ],
  "browser_action": {
    "default_icon": {
      "192": "logo.png"
    },
    "default_title": "eBay Explorer",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Alt+Shift+E"
      }
    },
    "duplicate-tab": {
      "suggested_key": {
        "default": "Ctrl+Shift+2",
        "mac": "Command+Shift+2"
      },
      "description": "Duplicates the currently active tab because... why not?"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a738d268-2d8e-4260-95d9-72b19ae6accf}"
    }
  }
}