modify file structure and create hdllib.cfg

applications/rfidb/librairies/detector/hdllib.cfg

applications/rfidb/librairies/detector/src/vhdl/detector.vhd

applications/rfidb/librairies/detector/src/vhdl/expander.vhd

...tions/rfidb/librairies/detector/src/vhdl/power_detect.vhd

...ations/rfidb/librairies/detector/src/vhdl/robust_mean.vhd

...fidb/librairies/detector/src/vhdl/universal_shift_reg.vhd

...cations/rfidb/librairies/detector/src/vhdl/uorl_power.vhd

...tions/rfidb/librairies/detector/src/vhdl/write_rfi_db.vhd

...cations/rfidb/librairies/detector/tb/vhdl/tb_detector.vhd

...cations/rfidb/librairies/detector/tb/vhdl/tb_expander.vhd

...ons/rfidb/librairies/detector/tb/vhdl/tb_power_detect.vhd

...ions/rfidb/librairies/detector/tb/vhdl/tb_robust_mean.vhd

...db/librairies/detector/tb/vhdl/tb_universal_shift_reg.vhd

...ons/rfidb/librairies/detector/tb/vhdl/tb_write_rfi_db.vhd