Update README.md

README.md

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 # Star-Track
-Arduino powered GoTo-mount inspired star tracking system.
 
-more info: https://gorkem.cc/projects/StarTrack/
+[![License: GNU General Public License v3.0](https://img.shields.io/badge/Firmware%20License-GNU%20GPL--v3.0-yellow)](https://www.gnu.org/licenses/gpl-3.0.en.html#license-text)
+[![License: CC BY-SA 4.0](https://img.shields.io/badge/Documentation%20License-CC_BY--SA_4.0-lightgrey)](https://creativecommons.org/licenses/by-sa/4.0/)
+
+
+This repository contains all the files and documentation for Star Track, Arduino powered GoTo-mount inspired star tracking system.  [Visit the DIY guide](https://gorkem.cc/projects/StarTrack/) for details.
+
+
+File structure:
++  `Firmware` contains the python code and necessary drivers.
++  `CAD` contains print ready .stl files
+
+
+
+## More info: 
 
 There are two Arduino's working in order. Arduino Uno being master and nano being the puppet.
 
-Master module
+### Master module
 
 The master(Uno) module has two inputs,
 
-1-Gyro data
+- Gyro data
 
-2-RTC(Real Time Clock) data
+- RTC(Real Time Clock) data
 
 and 6 outputs,
 
-1-cw(base motor clockwise)
+- cw(base motor clockwise)
 
-2-ccw(base motor counter clockwise)
+- ccw(base motor counter clockwise)
 
-3-stahp(base motor stop)
+- stahp(base motor stop)
 
-4-cw2(DEC motor clockwise)
+- cw2(DEC motor clockwise)
 
-5-ccw2(DEC motor counter clockwise)
+- ccw2(DEC motor counter clockwise)
 
-6-stahp2(DEC motor stop)
+- stahp2(DEC motor stop)
 
 The RTC is set to UTC time, a function calculates local sidereal time in degrees and rotates the mount to 0h RA position. The loop constantly checks if the gyro data is equal to the user input & sidereal time data. The default is 0,0. If there is a change and the equality breaks the master module send a command to the puppet module.