Add configuration for maximum matches per query across data sources (#484)

app/MindWork AI Studio/Settings/IDataSource.cs

@@ -40,6 +40,11 @@ public interface IDataSource
     /// </summary>
     public DataSourceSecurity SecurityPolicy { get; init; }
     
+    /// <summary>
+    /// The maximum number of matches to return when retrieving data from the ERI server.
+    /// </summary>
+    public ushort MaxMatches { get; init; }
+    
     /// <summary>
     /// Perform the data retrieval process.
     /// </summary>