Adjust flux example link labelling

Currently all links are labelled as playground example, this change also adds labelling for runner examples via new conditional.

Author: TobiasNx

metafacture-flux/src/main/java/org/metafacture/flux/HelpPrinter.java

@@ -127,7 +127,12 @@ private static <T> void describe(final String name, final ObjectFactory<T> facto
 
         final String[] examplesEntry = EXAMPLES_MAP.get(name);
         if (examplesEntry != null && examplesEntry.length > 2) {
-            out.println("- [example in Playground]" + "(" + examplesEntry[2] + ")");
+            if (examplesEntry[2].contains("playground")) {
+                out.println("- [example in Playground]" + "(" + examplesEntry[2] + ")");
+            }
+            if (examplesEntry[2].contains("github")) {
+                out.println("- [example for Metafacture Runner]" + "(" + examplesEntry[2] + ")");
+            }
         }
         if (examplesEntry != null && examplesEntry.length > 1) {
             out.println("- java class:\t[" + moduleClass.getCanonicalName() + "](" + examplesEntry[1] + ")");