Create generic CDK README and updated C# specific one

Author: andrestoll

cdk/README.md

@@ -0,0 +1,33 @@
+# Deploy the AWS Lambda Power Tuner tool using the CDK
+
+Here you find various CDK projects to deploy the *AWS Lambda Power Tuner* tool using your preferred programming language.
+
+Currently we support
+
+- [TypeScript](typescript/README.md)
+- [C#](csharp/README.md)
+
+You can use these projects as a standalone or reuse it within your own CDK projects.
+
+## Prerequisites
+
+- [AWS CDK Toolkit](https://docs.aws.amazon.com/cdk/v2/guide/getting_started.html#getting_started_install)
+- [General prerequisites for CDK](https://docs.aws.amazon.com/cdk/v2/guide/getting_started.html#getting_started_prerequisites)
+
+Check also the langauge specific requirements in the respective README.
+
+## Useful commands
+
+Run these commands from the project folders:
+
+* `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
+
+## Deployment
+
+```
+cd cdk/csharp
+dotnet build
+cdk deploy
+```

cdk/csharp/README.md

@@ -1,28 +1,15 @@
 # How to deploy the AWS Lambda Power Tuner tool using the CDK for C#
 
-This CDK project deploys the *AWS Lambda Power Tuner* tool.
+This CDK project deploys the *AWS Lambda Power Tuner* tool using C#.
 
 You can use the project as a standalone or reuse it within your own CDK projects.
 
-## Prerequisites
+## Language specific prerequisites
 
-- [AWS CDK Toolkit](https://docs.aws.amazon.com/cdk/v2/guide/getting_started.html#getting_started_install)
 - [.NET 8.0 or later](https://docs.aws.amazon.com/cdk/v2/guide/getting_started.html#getting_started_prerequisites)
+- [Requirements for CDK with C#](https://docs.aws.amazon.com/cdk/v2/guide/work-with-cdk-csharp.html#csharp-prerequisites)
 
-See also the general [prerequisites for CDK](https://docs.aws.amazon.com/cdk/v2/guide/getting_started.html#getting_started_prerequisites) projects.
-
-## Deployment
-
-```
-cd cdk/csharp
-dotnet build
-cdk deploy
-```
-
-## Useful commands
+## Building and testing the app
 
 * `dotnet build`  compile this app
 * `dotnet test`  	 test this app
-* `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

cdk/csharp/tests/Cdk.Tests/TheLambdaPowerTunerStackTest.cs

@@ -26,7 +26,7 @@ public void TestSar()
                     { "Location" , new ObjectDict
                         {
                             { "ApplicationId", "arn:aws:serverlessrepo:us-east-1:451282441545:applications/aws-lambda-power-tuning" },
-                            { "SemanticVersion", "4.3.0" }
+                            { "SemanticVersion", "4.3.4" }
                         }
                     }
                 }