Moved build stuff to docker

CMakeLists.txt

@@ -67,7 +67,7 @@ if(ENABLE_TESTS)
   )
 else()
   set(DUSK_LIBRARY_TARGET_NAME "${DUSK_BINARY_TARGET_NAME}" CACHE INTERNAL ${DUSK_CACHE_TARGET})
-  add_executable(${DUSK_BINARY_TARGET_NAME} ${DUSK_SOURCES_DIR}/dusk/null.c)
+  add_executable(${DUSK_BINARY_TARGET_NAME} ${DUSK_SOURCES_DIR}/null.c)
 endif()
 
 # Toolchains