message: Add deploy C# the simple webservice using AWS Cloud9
diff: @@ -16,3 +16,37 @@ After deployment you should have a proxy api gateway where any url hits a lambda
  * `cdk deploy` deploy this stack to your default AWS account/region
  * `cdk diff` compare deployed stack with current state
  * `cdk synth` emits the synthesized CloudFormation template
  +
  +## Deploy with AWS Cloud9
  +
  +* Create an **Ubuntu** AWS Cloud9 EC2 development environment
  +* Add the Microsoft repository
  + ```
  + wget https://packages.microsoft.com/config/ubuntu/20.04/packages-microsoft-prod.deb -O packages-microsoft-prod.deb
  + ```
  + ```
  + sudo dpkg -i packages-microsoft-prod.deb
  + ```
  +* Install the .NET Core SDK
  + ```
  + sudo apt-get update; \
  + sudo apt-get install -y apt-transport-https && \
  + sudo apt-get update && \
  + sudo apt-get install -y dotnet-sdk-3.1
  + ```
  +* Clone the CDK Patterns repo
  + ```
  + git clone https://github.com/cdk-patterns/serverless.git
  + ```
  +* Change directory
  + ```
  + cd serverless/the-simple-webservice/csharp
  + ```
  +* Build the project to see if .NET Core has been setup correctly (optional)
  + ```
  + dotnet build src
  + ```
  +* Deploy the stack
  + ```
  + cdk deploy
  + ```
  