created simple decoder for Forrest to test them with DNN

maca_trans_parser/CMakeLists.txt

maca_trans_parser/src/decode_forrest.c

maca_trans_parser/src/queue.c

maca_trans_parser/src/queue.h

maca_trans_parser/src/simple_decoder_forrest.c

maca_trans_parser/src/simple_decoder_forrest.h