chore: add go to list of supported languages (aws#14849)

----

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

README.md

@@ -6,6 +6,7 @@
 [![PyPI version](https://badge.fury.io/py/aws-cdk.core.svg)](https://badge.fury.io/py/aws-cdk.core)
 [![NuGet version](https://badge.fury.io/nu/Amazon.CDK.svg)](https://badge.fury.io/nu/Amazon.CDK)
 [![Maven Central](https://maven-badges.herokuapp.com/maven-central/software.amazon.awscdk/core/badge.svg)](https://maven-badges.herokuapp.com/maven-central/software.amazon.awscdk/core)
+[![Go Reference](https://pkg.go.dev/badge/github.com/aws/aws-cdk-go/awscdk.svg)](https://pkg.go.dev/github.com/aws/aws-cdk-go/awscdk)
 [![Mergify](https://img.shields.io/endpoint.svg?url=https://gh.mergify.io/badges/aws/aws-cdk&style=flat)](https://mergify.io)
 
 The **AWS Cloud Development Kit (AWS CDK)** is an open-source software development
@@ -24,6 +25,8 @@ The CDK is available in the following languages:
 * Python ([Python ≥ 3.6](https://www.python.org/downloads/))
 * Java ([Java ≥ 8](https://www.oracle.com/technetwork/java/javase/downloads/index.html) and [Maven ≥ 3.5.4](https://maven.apache.org/download.cgi))
 * .NET ([.NET Core ≥ 3.1](https://dotnet.microsoft.com/download))
+* Go ([Go ≥ 1.16.4](https://golang.org/))
+  - Go is currently in developer preview and is not recommended for production use.
 
 \
 Jump To: