Examine source code of Snippets

{
  "manifest_version": 3,
  "name": "Snippets",
  "version": "1.1.0",
  "author": "El Mehdi BENYOUSSEF",
  "homepage_url": "https://github.com/elmehdiben",
  "description": "Text snippet expander — type @keyword to insert anywhere",
  "permissions": [
    "storage",
    "downloads"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "snippets@elmehdiben",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "browser-polyfill.min.js",
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "browser-polyfill.min.js",
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}