added pwn.sv

added x16 fast forward speed to playback_controller.sv

corrected dates on pwn.sv, playback_controller.sv, display_converter.sv,
and seconds_display.sv

verification/audio/pwn_tb.sv

@@ -0,0 +1,6 @@
+/*****
+ * pwn_tb.sv - testbench for the pwn.sv module. 
+ *
+ * @author: Dilanthi Prentice, Waylon Cude
+ * @date: 6/12/2025
+ * */