New pattern submission apigw-websocket-mapping-template-authorizer

[aliceincloudland]

To submit a template to the Serverless Patterns Collection, submit an issue with the following information.

Description : This pattern deploys a WebSocket API with a Lambda Authorizer. The WebSocket API does not have a Proxy integration with the back-end Lambda written NodeJs 22, instead it is using a mapping template that forwards the main information of the request.
Resources : https://docs.aws.amazon.com/apigateway/latest/developerguide/apigateway-how-to-call-websocket-api-wscat.html
Framework: SAM
Language : NodeJs 22
Author bio : Cloud Support Engineer in Serverless @ AWS - LinkedIn : https://www.linkedin.com/in/alice-goumain/ - Name : Alice Goumain

GitHub PR for template: #2609

[julianwood]

Thanks for the contribution.