added bootloader project - currently only able to be enumerated by USB host but doesn't do anything else yet

bootloader/src/main.c

@@ -0,0 +1,27 @@
+/*
+ * File:   main.c
+ * Author: justin
+ *
+ * Created on August 9, 2019, 6:14 PM
+ */
+
+#include <xc.h>
+#include "usb.h"
+
+void main(void) {
+    // initialize the USB framework
+    USBDeviceInit();
+    USBDeviceAttach();
+    
+    while(1)
+    {
+        USBDeviceTasks();
+        
+        // do nothing if: not connected to USB host, or the host put us in suspend state
+        if((USBGetDeviceState() < CONFIGURED_STATE) | USBIsDeviceSuspended())
+            continue;
+
+        // run application specific tasks
+        //DANCEPAD_Tasks();
+    }
+}