Clean up and add more comments (#2)

src/mcpdotnet/Protocol/Types/CallToolResponse.cs

@@ -0,0 +1,18 @@
+namespace McpDotNet.Protocol.Types;
+
+/// <summary>
+/// A response to a request to call a tool on the server.
+/// <see href="https://github.com/modelcontextprotocol/specification/blob/main/schema/schema.json">See the schema for details</see>
+/// </summary>
+public class CallToolResponse
+{
+    /// <summary>
+    /// The server's response to a tools/call request from the client.
+    /// </summary>
+    public List<ToolContent> Content { get; set; } = new();
+
+    /// <summary>
+    /// Whether the tool call was unsuccessful. If true, the call was unsuccessful.
+    /// </summary>
+    public bool IsError { get; set; }
+}