- make a template class for API Server

- Skip a lot of duplicate code
- add a hexDump output - might come in handy
- refactor directory names
- remove unused debugOut that was generating template errors

arch/rp2040/rp2040.ini

@@ -12,7 +12,7 @@ build_flags =
   -D__PLAT_RP2040__
 #  -D _POSIX_THREADS
 build_src_filter = 
-  ${arduino_base.build_src_filter} -<platform/esp32/> -<nimble/> -<mesh/wifi/> -<mesh/http/> -<modules/esp32> -<mqtt/> -<platform/nrf52/> -<platform/stm32wl> -<mesh/eth/>
+  ${arduino_base.build_src_filter} -<platform/esp32/> -<nimble/> -<mesh/api/> -<mesh/http/> -<modules/esp32> -<mqtt/> -<platform/nrf52/> -<platform/stm32wl> -<mesh/eth/>
 lib_ignore =
   BluetoothOTA
 lib_deps =