Reorganize all observatory core projects into monorepo (#25)

* chore: move all observatory repos to core

* only save journal folder on change, don't constantly re-check during monitoring

* chore: monorepo project changes

* chore: monorepo migration

ObservatoryFramework/Files/Converters/MaterialConverter.cs

@@ -0,0 +1,56 @@
+using System;
+using System.Collections.Immutable;
+using System.Collections.Generic;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using Observatory.Framework.Files.ParameterTypes;
+
+namespace Observatory.Framework.Files.Converters
+{
+    /// <summary>
+    /// The format used for materials changed from an object with a key for each material to an array of objects containing "name" and "percent".
+    /// Need to handle both if we're going to read historical data. This reads the old format into a class reflecting the new structure.
+    /// </summary>
+    public class MaterialConverter : JsonConverter<ImmutableList<Material>>
+    {
+        public override ImmutableList<Material> Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            if (reader.TokenType == JsonTokenType.StartObject)
+            {
+                var materialComposition = new List<Material>();
+                while (reader.Read())
+                {
+                    if (reader.TokenType != JsonTokenType.EndObject)
+                    {
+                        if (reader.TokenType == JsonTokenType.PropertyName)
+                        {
+                            string name = reader.GetString();
+                            reader.Read();
+                            int count = reader.GetInt32();
+                            var material = new Material
+                            {
+                                Name = name,
+                                Count = count
+                            };
+                            materialComposition.Add(material);
+                        }
+                    }
+                    else
+                    {
+                        break;
+                    }
+                }
+                return materialComposition.ToImmutableList();
+            }
+            else
+            {
+                return (ImmutableList<Material>)JsonSerializer.Deserialize(ref reader, typeof(ImmutableList<Material>));
+            }
+        }
+
+        public override void Write(Utf8JsonWriter writer, ImmutableList<Material> value, JsonSerializerOptions options)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}