Update README (#95)

* Update README

* No need for npm

Author: qmfrederik

README.md

@@ -14,6 +14,10 @@ dotnet add package KubernetesClient
 
 ## Prerequisites
 
+You'll need a Linux machine with Docker.
+
+The generated code works on all platforms supported by .NET or .NET Core.
+
 Check out the generator project into some other directory
 (henceforth `$GEN_DIR`)
 
@@ -22,18 +26,12 @@ cd $GEN_DIR/..
 git clone https://github.com/kubernetes-client/gen
 ```
 
-Install the [`autorest` tool](https://github.com/azure/autorest):
-
-```bash
-npm install autorest
-```
-
 ## Generating code
 
 ```bash
 # Where REPO_DIR points to the root of the csharp repository
 cd ${REPO_DIR}/csharp/src
-${GEN_DIR}/openapi/csharp.sh generated csharp.settings
+${GEN_DIR}/openapi/csharp.sh generated ../csharp.settings
 ```
 
 # Usage