Examine source code of Mobile DevTools

{
  "description": "eruda developer tools",
  "manifest_version": 3,
  "name": "Eruda dev tools",
  "version": "1.1",
  "homepage_url": "https://trash.blog.ir/",
  "browser_specific_settings": {
    "gecko": {
      "id": "@eruda.mimv",
      "strict_min_version": "58.0"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "web_accessible_resources": [
    {
      "resources": [
        "eruda.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "icons": {
    "16": "icon.svg",
    "32": "icon.svg",
    "48": "icon.svg",
    "96": "icon.svg"
  },
  "action": {
    "default_icon": "icon.svg",
    "default_title": "dev tools"
  },
  "permissions": [
    "activeTab",
    "scripting"
  ]
}