Begin work on outlining dynamic side

PkmnLib.Dynamic/ScriptHandling/ScriptSet.cs

@@ -0,0 +1,16 @@
+using FluentResults;
+
+namespace PkmnLib.Dynamic.ScriptHandling;
+
+public interface IScriptSet : IEnumerable<ScriptContainer>
+{
+    Result<ScriptContainer> Add(Script script);
+    Result<ScriptContainer?> Add(string scriptKey);
+    ScriptContainer? Get(string scriptKey);
+    void Remove(string scriptKey);
+    void Clear();
+    void Contains(string scriptKey);
+    ScriptContainer At(int index);
+    int Count { get; }
+    IEnumerable<string> GetScriptNames();
+}