feat: implementing state machine and operative unit

docs/img/FSM.drawio

docs/img/FSM.png

docs/img/OperativeUnit.drawio

proj/AudioProc.cache/sim/ssm.db

proj/AudioProc.cache/wt/project.wpc

proj/AudioProc.cache/wt/xsim.wdf

proj/AudioProc.hw/AudioProc.lpr

proj/AudioProc.ip_user_files/README.txt

proj/AudioProc.ip_user_files/ip/clk_wiz_0/clk_wiz_0.vho

proj/AudioProc.sim/sim_1/behav/xsim/audioProc.tcl

proj/AudioProc.sim/sim_1/behav/xsim/audioProc_behav.wdb

proj/AudioProc.sim/sim_1/behav/xsim/compile.bat

proj/AudioProc.sim/sim_1/behav/xsim/compile.sh

proj/AudioProc.sim/sim_1/behav/xsim/elaborate.bat

proj/AudioProc.sim/sim_1/behav/xsim/elaborate.log

proj/AudioProc.sim/sim_1/behav/xsim/elaborate.sh

proj/AudioProc.sim/sim_1/behav/xsim/glbl.v

proj/AudioProc.sim/sim_1/behav/xsim/simulate.bat

proj/AudioProc.sim/sim_1/behav/xsim/simulate.log

proj/AudioProc.sim/sim_1/behav/xsim/simulate.sh