Added file response and upload functionality and removed the Blazor UI

HashSlinger.Shared/Generated/FileDto.g.cs

@@ -17,6 +17,6 @@ public partial record FileDto
         public int Id { get; set; }
         public bool IsSecret { get; set; }
         public int? LineCount { get; set; }
-        public int Size { get; set; }
+        public long Size { get; set; }
     }
 }

HashSlinger.Shared/Models/File.cs

@@ -65,5 +65,5 @@ public record File
     /// <summary>Gets or sets the size.</summary>
     /// <value>The size, in bytes.</value>
     /// <autogeneratedoc />
-    public int Size { get; set; }
+    public long Size { get; set; }
 }