Added IndentedPrint example

examples/IndentedPrintExample/IndentedPrintExample.ino

@@ -0,0 +1,43 @@
+/*
+ * Arduino JSON library - IndentedPrint example
+ * Benoit Blanchon 2014 - MIT License
+ */
+
+#include <JsonGenerator.h>
+
+using namespace ArduinoJson::Generator;
+
+void setup()
+{
+    Serial.begin(9600);
+    
+    JsonObject<1> json;
+    json["key"] = "value";
+    
+    IndentedPrint serial(Serial);    
+    serial.setTabSize(4);
+    
+    serial.println("This is at indentation 0");
+    serial.indent();
+    serial.println("This is at indentation 1");
+    serial.println("This is also at indentation 1");
+    serial.indent();
+    serial.println("This is at indentation 2");
+    
+    serial.println("You can print JSON here, as usual:");
+    serial.println(json);
+    serial.println();
+        
+    serial.println("But you can also prettyPrint JSON here:");
+    json.prettyPrintTo(serial);  
+    serial.println();
+    
+    serial.unindent();
+    serial.unindent();
+    serial.println("This is back at indentation 0");
+}
+
+void loop()
+{
+
+}