Stop using deprecated interfaces

Use `Kaleidoscope.use` and `Kaleidoscope.useEventHandlerHook` instead of the
deprecated `USE_PLUGINS` and `event_handler_hook_use` interfaces.

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

README.md

@@ -31,7 +31,7 @@ the box, without any further configuration:
 #include <Kaleidoscope-TypingBreaks.h>
 
 void setup (void) {
-  USE_PLUGINS (&TypingBreaks);
+  Kaleidoscope.use (&TypingBreaks);
 
   Kaleidoscope.setup ();
 }

examples/TypingBreaks/TypingBreaks.ino

@@ -40,7 +40,7 @@ const Key keymaps[][ROWS][COLS] PROGMEM = {
 };
 
 void setup() {
-  USE_PLUGINS(&TypingBreaks);
+  Kaleidoscope.use(&TypingBreaks);
 
   Kaleidoscope.setup();
 }

src/Kaleidoscope/TypingBreaks.cpp

@@ -41,7 +41,7 @@ TypingBreaks::TypingBreaks(void) {
 }
 
 void TypingBreaks::begin(void) {
-  event_handler_hook_use(this->eventHandlerHook);
+  Kaleidoscope.useEventHandlerHook(this->eventHandlerHook);
 }
 
 Key TypingBreaks::eventHandlerHook(Key mapped_key, byte row, byte col, uint8_t key_state) {