organize subfolders

diff --git a/otto_controller/Core/Inc/otto_communication.pb.h b/otto_controller/Core/Inc/protobuf/otto_communication.pb.h
similarity index 100%
rename from otto_controller/Core/Inc/otto_communication.pb.h
rename to otto_controller/Core/Inc/protobuf/otto_communication.pb.h

diff --git a/otto_controller/Core/Inc/pb.h b/otto_controller/Core/Inc/protobuf/pb.h
similarity index 100%
rename from otto_controller/Core/Inc/pb.h
rename to otto_controller/Core/Inc/protobuf/pb.h

diff --git a/otto_controller/Core/Inc/pb_common.h b/otto_controller/Core/Inc/protobuf/pb_common.h
similarity index 100%
rename from otto_controller/Core/Inc/pb_common.h
rename to otto_controller/Core/Inc/protobuf/pb_common.h

diff --git a/otto_controller/Core/Inc/pb_decode.h b/otto_controller/Core/Inc/protobuf/pb_decode.h
similarity index 100%
rename from otto_controller/Core/Inc/pb_decode.h
rename to otto_controller/Core/Inc/protobuf/pb_decode.h

diff --git a/otto_controller/Core/Inc/pb_encode.h b/otto_controller/Core/Inc/protobuf/pb_encode.h
similarity index 100%
rename from otto_controller/Core/Inc/pb_encode.h
rename to otto_controller/Core/Inc/protobuf/pb_encode.h

diff --git a/otto_controller/Core/Src/otto_communication.pb.c b/otto_controller/Core/Src/protobuf/otto_communication.pb.c
similarity index 100%
rename from otto_controller/Core/Src/otto_communication.pb.c
rename to otto_controller/Core/Src/protobuf/otto_communication.pb.c

diff --git a/otto_controller/Core/Src/pb_common.c b/otto_controller/Core/Src/protobuf/pb_common.c
similarity index 100%
rename from otto_controller/Core/Src/pb_common.c
rename to otto_controller/Core/Src/protobuf/pb_common.c

diff --git a/otto_controller/Core/Src/pb_decode.c b/otto_controller/Core/Src/protobuf/pb_decode.c
similarity index 100%
rename from otto_controller/Core/Src/pb_decode.c
rename to otto_controller/Core/Src/protobuf/pb_decode.c

diff --git a/otto_controller/Core/Src/pb_encode.c b/otto_controller/Core/Src/protobuf/pb_encode.c
similarity index 100%
rename from otto_controller/Core/Src/pb_encode.c
rename to otto_controller/Core/Src/protobuf/pb_encode.c