Add README

README

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+Chopstx - Threads and only Threads
+							Version 0.00
+							  2013-06-XX
+							Niibe Yutaka
+					     Flying Stone Technology
+
+What's Chopstx?
+===============
+
+Chopstx is a RT thread library for ARM Cortex-M3, specifically,
+STM32F103.
+
+While most RTOSes come with many features, drivers, and stacks,
+Chopstx just offers a RT thread library.
+
+With Chopstx, interrupt handling is also done by a thread.  This
+enables coherent code to allow us ease of maintenance.
+
+--