documentation and one minor adjustment

Author: robertmuehsig

ElectronNET.CLI/Commands/StartElectronCommand.cs

@@ -77,7 +77,6 @@ public Task<bool> ExecuteAsync()
                     DirectoryCopy.Do(electronhosthookDir, hosthookDir, true, new List<string>() { "node_modules" });
 
                     Console.WriteLine("Start npm install for typescript & hosthooks...");
-                    ProcessHelper.CmdExecute("npm install -g typescript", hosthookDir);
                     ProcessHelper.CmdExecute("npm install", hosthookDir);
 
                     string tscPath = Path.Combine(tempPath, "node_modules", ".bin");

README.md

@@ -26,7 +26,13 @@ Well... there are lots of different approaches how to get a X-plat desktop app r
 
 # Requirements to run:
 
-The current Electron.NET CLI builds Windows/macOS/Linux binaries. Our API uses .NET Core 2.2, so our minimum base OS is the same as [.NET Core 2.2](https://github.com/dotnet/core/blob/master/release-notes/2.2/2.2-supported-os.md).
+The current Electron.NET CLI builds Windows/macOS/Linux binaries. Our API uses .NET Core 3.0, so our minimum base OS is the same as [.NET Core 3.0](https://github.com/dotnet/core/blob/master/release-notes/3.0/3.0-supported-os.md).
+
+Also you should have installed:
+
+* npm 
+* npm install -g typescript
+* npm install -g electron-builder
 
 # Community