move Arduino_USBHIDHost.h inside src folder and fix build

Author: pennam

Arduino_USBHIDHost.h

@@ -1,5 +1,5 @@
 #include <Arduino.h>
-#include "Keyboard.h"
+#include <Arduino_USBHIDHost.h>
 
 USBHIDKeyboard keyboard;
 

examples/Barcode/Barcode.ino

@@ -1,5 +1,5 @@
 #include <Arduino.h>
-#include "Keyboard.h"
+#include <Arduino_USBHIDHost.h>
 
 USBHIDKeyboard kb;
 

examples/Keyboard/Keyboard.ino

@@ -1,6 +1,5 @@
 #include <Arduino.h>
-#include "Keyboard.h"
-#include "Mouse.h"
+#include <Arduino_USBHIDHost.h>
 
 // Global device instances
 USBHIDKeyboard kb;
@@ -27,11 +26,11 @@ void onMouseEvent(const HIDMouseEvent &event) {
   Serial.print("Mouse event (callback) - Buttons: ");
   Serial.print(event.buttons);
   Serial.print(", x: ");
-  Serial.print(event.x);
+  Serial.print(event.xMovement);
   Serial.print(", y: ");
-  Serial.print(event.y);
+  Serial.print(event.yMovement);
   Serial.print(", wheel: ");
-  Serial.println(event.wheel);
+  Serial.println(event.wheelMovement);
 }
 
 void setup() {

examples/KeyboardAndMouse/KeyboardAndMouse.ino

@@ -1,5 +1,5 @@
 #include <Arduino.h>
-#include "Mouse.h"
+#include <Arduino_USBHIDHost.h>
 
 // Create a global mouse instance.
 USBHIDMouse ms;

examples/Mouse/Mouse.ino

@@ -0,0 +1,2 @@
+#include "Mouse.h"
+#include "Keyboard.h"