Allow building as normal Arduino project

grbl/grbl.ino

@@ -0,0 +1,29 @@
+/***********************************************************************
+This sketch compiles and uploads Grbl to your 328p-based Arduino!
+
+To use:
+- Clone or download the code from this repository to your computer
+
+- Open this file in the Arduino IDE
+
+- Select your Arduino Board and Serial Port in the Tools drop-down menu.
+  NOTE: Grbl only officially supports 328p-based Arduinos, like the Uno.
+  Using other boards will likely not work!
+
+- Then just click 'Upload'. That's it!
+
+For advanced users:
+  If you'd like to see what else Grbl can do, there are some additional
+  options for customization and features you can enable or disable.
+  Open the 'config.h' file in your favorite text editor. Inside are
+  dozens of feature descriptions and #defines. Simply comment or
+  uncomment the #defines or alter their assigned values, save your
+  changes, and then click 'Upload' here.
+
+Copyright (c) 2015 Sungeun K. Jeon
+Released under the MIT-license. See license.txt for details.
+***********************************************************************/
+
+#include "grbl.h"
+
+// Do not alter this file!