Added README to example with console result image

examples/atmelavr-native-blink/README.rst

@@ -0,0 +1,20 @@
+Atmel AVR: Native Blink Example
+===============================
+
+1. Download ``platformio``
+`sources <https://github.com/ivankravets/platformio/archive/develop.zip>`_.
+2. Extract ZIP archive
+3. Then run these commands:
+
+.. code-block:: bash
+
+    # Change directory to example
+    $ cd platformio-develop/examples/atmelavr-native-blink/
+
+    # Install Atmel AVR development platform
+    $ platformio install atmelavr
+
+    # Process example project
+    $ platformio run
+
+.. image:: console-result.png

examples/atmelavr-native-blink/platformio.ini

@@ -1,10 +1,13 @@
+# Copyright (C) Ivan Kravets <me@ikravets.com>
+# See LICENSE for details.
+
 [env:arduino_pro5v]
 platform = atmelavr
 board_mcu = atmega168
 board_f_cpu = 16000000L
 
 upload_port = /dev/tty.SLAB_USBtoUART
-; upload_port = COM3
+# upload_port = COM3
 upload_protocol = arduino
 upload_speed = 19200