message: exporting comb filters
diff: @@ -9,3 +9,5 @@ export * from "./filter/EQ3";
  export * from "./filter/Filter";
  export * from "./dynamics/Compressor";
  export * from "./filter/OnePoleFilter";
  +export * from "./filter/FeedbackCombFilter";
  +export * from "./filter/LowpassCombFilter";
  