reduce amount of fonts

CMakeLists.txt

 target_include_directories(gadget PUBLIC ${CMAKE_CURRENT_LIST_DIR}/st7789/src)
 target_include_directories(gadget PUBLIC ${CMAKE_CURRENT_LIST_DIR}/st7789/interface)
 target_include_directories(gadget PUBLIC ${CMAKE_CURRENT_LIST_DIR}/mcufont/decoder)
-target_include_directories(gadget PUBLIC ${CMAKE_CURRENT_LIST_DIR}/mcufont/fonts)
+target_include_directories(gadget PUBLIC ${CMAKE_CURRENT_LIST_DIR}/data)
 target_include_directories(gadget PUBLIC ${CMAKE_CURRENT_LIST_DIR}/build)
 
 # compress source code and stuff we want to include

data/fonts.h

+// don't include _all_ fonts, to reduce size
+#include "../mcufont/fonts/DejaVuSerif16.c"
+#include "../mcufont/fonts/DejaVuSerif32.c"
+#include "../mcufont/fonts/fixed_10x20.c"