deleted unwantedd files, added README

Author: itayz1230

C#/number system conversion/README.md

@@ -0,0 +1,3 @@
+# Number System Conversion in C#
+This is a solution to question in issue #264
+My name is [Itay Singer](https://github.com/itayz1230)

C#/number system conversion/bin/Debug/netcoreapp3.1/number system conversion.deps.json

@@ -90,7 +90,7 @@ 12.Hexadecimal to Decimal
                 Console.WriteLine();
             } while (program > 0 && program < 13);
         }
-
+        //Convertions from Decimal To X
         public static string DecToBin(int dec)
         {
             string revbin = "";
@@ -138,7 +138,7 @@ public static string DecToHex(int dec)
             return hex;
         }
 
-
+        //Convertions from X to Decimal
         public static int BinToDec(string bin)
         {
             int value = 0;