Examine source code of Revise text

{
  "name": "Revise text",
  "description": "Write with confidence. Instantly proofread and enhance grammar, spelling and style in any language. Free, fast and easy to use.",
  "version": "1.0.1",
  "manifest_version": 3,
  "permissions": [
    "contextMenus",
    "scripting",
    "storage",
    "activeTab"
  ],
  "host_permissions": [
    "https://revisetext.com/"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "web_accessible_resources": [
    {
      "resources": [
        "modal.css"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "commands": {
    "proofread": {
      "suggested_key": {
        "default": "Alt+Shift+O"
      },
      "description": "Proofread only"
    },
    "improve": {
      "suggested_key": {
        "default": "Alt+Shift+I"
      },
      "description": "Improve for the context"
    }
  },
  "icons": {
    "16": "./img/icon-16.png",
    "32": "./img/icon-32.png",
    "48": "./img/icon-48.png",
    "128": "./img/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "firefox.zgob@revisetext.com"
    }
  }
}