small changes

Extensions/BaseConverter.cs

@@ -1,6 +1,7 @@
 global using System;
 global using System.Collections;
 global using System.Collections.Generic;
+global using System.Linq;
 global using System.Text;
 global using System.Threading.Tasks;
 global using DTLib.Extensions;

Extensions/StringConverter.cs

@@ -144,10 +144,4 @@ public static class StringConverter
         if (max * length != s.Length) parts.Add(s.Substring(max * length, s.Length - max * length));
         return parts;
     }
-
-    public static string AddZeroes<T>(this T number, int length)
-    {
-        string str = number.ToString();
-        return new string('0', str.Length - length) + str;
-    }
 }