Examine source code of QuickAlias

{
  "manifest_version": 3,
  "name": "QuickAlias",
  "version": "1.0",
  "description": "Allows you to create custom commands (aliases) preceded by '/' to insert predefined texts.",
  "browser_specific_settings": {
    "gecko": {
      "id": "{28f7fce9-6aad-491c-9930-bd4377e9f9d3}"
    }
  },
  "icons": {
    "48": "icons/border-48.png",
    "96": "icons/border-96.png"
  },
  "permissions": [
    "storage"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icons/border-48.png",
      "96": "icons/border-96.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "suggestion-box.css"
      ],
      "js": [
        "translations.js",
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "translations.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}