Added iverilog-gtlwave simulation script for Windows

scripts/iverilog_compile.bat

@@ -0,0 +1,44 @@
+@echo off
+rem ------------------------------------------------------------------------------
+rem  iverilog_compile.bat
+rem  Konstantin Pavlov, pavlovconst@gmail.com
+rem ------------------------------------------------------------------------------
+
+rem creating VVP file
+  C:\iverilog\bin\iverilog.exe -Wall -g2012 -o iverilog_sim.vvp -s main_tb ^
+        main_tb.sv ^
+        ..\main.sv ^
+        clk_divider.sv ^
+        c_rand.v ^
+        delay.sv ^
+        edge_detect.sv
+
+rem creating VCD file
+  C:\iverilog\bin\vvp.exe -v iverilog_sim.vvp
+
+rem creating settings file for gtkwave on-the-fly
+  echo fontname_waves Verdana 9 > .\gtkwaverc
+  echo fontname_signals Verdana 9 >> .\gtkwaverc
+  echo fontname_logfile Verdana 9 >> .\gtkwaverc
+  echo splash_disable 1 >> .\gtkwaverc
+  echo use_roundcaps 1 >> .\gtkwaverc
+  echo force_toolbars 1 >> .\gtkwaverc
+  echo left_justify_sigs 1 >> .\gtkwaverc
+
+rem launching gtkwave
+rem press CTRL+S to save vawe config. gtkwave will open it automatically next time
+  start C:\iverilog\gtkwave\bin\gtkwave.exe ^
+        -r .\gtkwaverc ^
+        iverilog_sim.vcd ^
+        wave.gtkw
+
+rem   // place this code into your testbench and add signals you want to dump
+rem   //   and navigate during simulation
+rem   initial begin
+rem     $dumpfile("iverilog_sim.vcd");
+rem     $dumpvars( 0, M );
+rem     #10000 $finish;
+rem   end
+
+pause
+exit