moved from servo to stepper

src/stepper_controller/CMakeLists.txt

@@ -0,0 +1,9 @@
+cmake_minimum_required(VERSION 3.20.0)
+
+target_include_directories(app PRIVATE ./)
+
+#add_subdirectory()
+
+target_sources(app PRIVATE
+    stepper_controller.cpp
+)