Examine source code of Easy Url Manager

{
  "manifest_version": 3,
  "default_locale": "en",
  "name": "Url Manager",
  "version": "0.3.0",
  "description": "Chrome Extension to easilly manage complex URL params and search queries",
  "host_permissions": [
    "<all_urls>"
  ],
  "permissions": [
    "activeTab",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.iife.js"
    ],
    "type": "module"
  },
  "action": {
    "default_popup": "popup/index.html",
    "default_icon": "icon-34.png"
  },
  "icons": {
    "34": "icon-34.png",
    "128": "icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*",
        "<all_urls>"
      ],
      "js": [
        "content/index.iife.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "*.js",
        "*.css",
        "*.svg",
        "icon-128.png",
        "icon-34.png"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{9200a4ea-6fb2-4b8f-a6fd-6fa66e234b32}"
    }
  },
  "options_ui": {
    "page": "options/index.html",
    "browser_style": false
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  }
}