Improve producer matching - Add tissue service

Tissue service will sanitize the existign database of ingested torrents by matching existing titles with new banned word lists. Now with added kleenex

src/producer/Extensions/StringExtensions.cs

@@ -1,7 +1,24 @@
 namespace Producer.Extensions;
 
-public static class StringExtensions
+public static partial class StringExtensions
 {
+    [GeneratedRegex("[^a-zA-Z0-9 ]")]
+    private static partial Regex NotAlphaNumeric();
+
+    private static readonly char[] separator = [' '];
+
     public static bool IsNullOrEmpty(this string? value) =>
         string.IsNullOrEmpty(value);
+
+    public static string NormalizeTitle(this string title)
+    {
+        var alphanumericTitle = NotAlphaNumeric().Replace(title, " ");
+
+        var words = alphanumericTitle.Split(separator, StringSplitOptions.RemoveEmptyEntries)
+            .Select(word => word.ToLower());
+
+        var normalizedTitle = string.Join(" ", words);
+
+        return normalizedTitle;
+    }
 }