Switch multilevel app settings

Removed gpcl6win64 and LincPDFC just from proj file

Removed package.json to clean out publish directory

Models/FileWatcherConfiguration.cs

@@ -0,0 +1,24 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace File_Watcher.Models;
+
+public record FileWatcherConfiguration(string Company,
+                                       string Helper,
+                                       int MillisecondsDelay,
+                                       string WatchDirectory)
+{
+
+    public override string ToString()
+    {
+        string result = JsonSerializer.Serialize(this, FileWatcherConfigurationSourceGenerationContext.Default.FileWatcherConfiguration);
+        return result;
+    }
+
+}
+
+[JsonSourceGenerationOptions(WriteIndented = true)]
+[JsonSerializable(typeof(FileWatcherConfiguration))]
+internal partial class FileWatcherConfigurationSourceGenerationContext : JsonSerializerContext
+{
+}