Examine source code of Stethoscope

{
  "manifest_version": 3,
  "name": "Stethoscope",
  "version": "1.1.2",
  "icons": {
    "48": "public/stethoscope_48.png",
    "128": "public/stethoscope_128.png"
  },
  "action": {
    "default_icon": {
      "48": "public/stethoscope_48.png",
      "128": "public/stethoscope_128.png"
    },
    "default_popup": "src/popup/index.html"
  },
  "permissions": [
    "tabs"
  ],
  "content_scripts": [
    {
      "js": [
        "assets/main.ts-loader-Donw4epd.js"
      ],
      "matches": [
        "https://github.com/*"
      ]
    }
  ],
  "background": {
    "scripts": [
      "assets/background.ts-6YDvZxHp.js"
    ],
    "type": "module"
  },
  "web_accessible_resources": [
    {
      "matches": [
        "https://github.com/*"
      ],
      "resources": [
        "assets/data-Cnhu9tgf.js",
        "assets/main.ts-Dmf19WgB.js"
      ],
      "use_dynamic_url": false
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{816b9ac2-08db-4a8a-9ffe-a95563c78736}"
    }
  }
}