Serial bridge implementation

platformio.ini

@@ -32,6 +32,7 @@ build_flags = -w -DNDEBUG -DRADIOLIB_STATIC_ONLY=1 -DRADIOLIB_GODMODE=1
 build_src_filter =
   +<*.cpp>
   +<helpers/*.cpp>
+  +<bridge/**/*.cpp>
 
 ; ----------------- ESP32 ---------------------