All: Cleanup all files

Add newline to end of files and remove whitespace from end of lines

kernel/include/kernel/Input/KeyEvent.h

@@ -95,4 +95,4 @@ namespace Kernel::Input
 	Key key_event_to_key(KeyEvent);
 	const char* key_to_utf8(Key key, uint16_t modifier);
 
-}
+}

kernel/include/kernel/Input/MouseEvent.h

@@ -42,7 +42,7 @@ namespace Kernel::Input
 			MouseButtonEvent button_event;
 			MouseMoveEvent move_event;
 			MouseScrollEvent scroll_event;
-		};	
+		};
 	};
 
-}
+}