restructuring

F0:F030,F042,F072/QuadEncoder/Readme.md

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+Quadrature encoder
+=============================
+
+## GPIO
+
+## UART 
+115200N1, not more than 100ms between data bytes in command.
+To turn ON human terminal (without timeout) send "####".
+
+## Protocol
+All commands are in brackets: `[ command line ]`.
+
+'[' clears earlier input; '\n', '\r', ' ', '\t' are ignored.
+All messages are asynchronous!
+
+## Commands
+[D] - get rotation direction
+[R] - reset
+[T] - get encoder position
+
+When you rotate encoder you will see speed of its rotation in quaters of pulses per 10ms.