ports over datasets (#2663)

* ports over datasets & ignores the dataset prototype clientside

* moved dataset to shared

Co-authored-by: Paul <ritter.paul1+git@googlemail.com>

Content.Shared/Prototypes/DatasetPrototype.cs

@@ -0,0 +1,25 @@
+using System.Collections.Generic;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization;
+using YamlDotNet.RepresentationModel;
+
+namespace Content.Shared.Prototypes
+{
+    [Prototype("dataset")]
+    public class DatasetPrototype : IPrototype, IIndexedPrototype
+    {
+        private string _id;
+        public string ID => _id;
+
+        private List<string> _values;
+        public IReadOnlyList<string> Values => _values;
+
+        public void LoadFrom(YamlMappingNode mapping)
+        {
+            var ser = YamlObjectSerializer.NewReader(mapping);
+
+            ser.DataField(ref _id, "id", "");
+            ser.DataField(ref _values, "values", new List<string>());
+        }
+    }
+}