added everyEight solution

everyEight.v

+module everyEight;
+reg A;
+
+
+initial begin: stop_at
+   #20; $finish;    
+end
+
+
+initial begin: Init
+    A = 1;   
+    $dumpfile("everyEight.vcd");
+    $dumpvars(0, everyEight);
+end
+
+//main_process will loop until simulation is over
+always begin: main_process
+    #1; A = 0;
+    #7; A = 1;
+end
+
+endmodule