Add instructions

README.md

@@ -1,2 +1,17 @@
 # jackmidiclockinput
 A small C++ app for the raspberry pi, receiving midi clock messages and outputting a metronome sound for MA Lightning trigger signals
+
+## How to build
+```
+mkdir build
+cd build
+qmake ..
+make
+```
+
+## how to execute
+```
+./jackmidiclockinput
+```
+
+Dont forget to connect the pipewire midi signals