- Created `tb_volume_multiplier_behav.wcfg` for waveform configuration of the volume multiplier testbench.
- Added `volume_multiplier.xpr` project file for the volume multiplier design.
- Created `volume_saturator.xpr` project file for the volume saturator design.
- Added `volume_saturator_tb_behav.wcfg` for waveform configuration of the volume saturator testbench.