message: added TextString to common.ts
diff: @@ -23,6 +23,7 @@ export * from "./geometry/Cartographic";
  export * from "./geometry/GeometryStream";
  export * from "./geometry/LineStyle";
  export * from "./geometry/Primitives";
  +export * from "./geometry/TextString";
  export * from "./gateway/BentleyCloudGatewayConfiguration";
  export * from "./gateway/BentleyCloudGatewayProtocol";
  export * from "./gateway/GatewayConfiguration";
  