Show an example of how to override defaults

Fixes #8.

Signed-off-by: Gergely Nagy <kaleidoscope@gergo.csillger.hu>

README.md

@@ -34,6 +34,8 @@ void setup (void) {
   Kaleidoscope.use (&TypingBreaks);
 
   Kaleidoscope.setup ();
+
+  TypingBreaks.settings.idle_time_limit = 60;
 }
 ```
 

examples/TypingBreaks/TypingBreaks.ino

@@ -43,6 +43,8 @@ void setup() {
   Kaleidoscope.use(&TypingBreaks);
 
   Kaleidoscope.setup();
+
+  TypingBreaks.settings.idle_time_limit = 60;
 }
 
 void loop() {