curl --request POST \
  --url https://api.anchorbrowser.io/v1/extensions \
  --header 'Content-Type: multipart/form-data' \
  --header 'anchor-api-key: <api-key>' \
  --form 'name=My Custom Extension' \
  --form file=@example-file

{
  "data": {
    "id": "550e8400-e29b-41d4-a716-446655440000",
    "name": "My Custom Extension",
    "manifest": {
      "name": "Extension Name",
      "version": "1.0.0",
      "manifest_version": 3,
      "description": "Extension description",
      "permissions": [
        "activeTab",
        "storage"
      ]
    },
    "createdAt": "2024-01-01T00:00:00.000Z",
    "updatedAt": "2024-01-01T00:00:00.000Z"
  }
}