Added docs

Author: linkdotnet

docs/site/articles/getting_started.md

@@ -36,4 +36,12 @@ Prints:
 > Hello dear World!  
 0.3
 
-[Here](https://dotnetfiddle.net/wM5r0q) an interactive example where you can fiddle around with the library. The example is hosted on [https://dotnetfiddle.net/](https://dotnetfiddle.net/wM5r0q) and already has the `ValueStringBuilder` nuget package included in the latest version.
+[Here](https://dotnetfiddle.net/wM5r0q) an interactive example where you can fiddle around with the library. The example is hosted on [https://dotnetfiddle.net/](https://dotnetfiddle.net/wM5r0q) and already has the `ValueStringBuilder` nuget package included in the latest version.
+
+## Helper methods
+There are also very easy to use helper methods, which doesn't need a `ValueStringBuilder` instance:
+```csharp
+using LinkDotNet.StringBuilder;
+
+string helloWorld = ValueStringBuilder.Concat("Hello World!", 101);
+```