chore(smithy-client): add no-op logger (#4172)

Author: kuhe

packages/smithy-client/src/NoOpLogger.ts

@@ -0,0 +1,9 @@
+import { Logger } from "@aws-sdk/types";
+
+export class NoOpLogger implements Logger {
+  public trace() {}
+  public debug() {}
+  public info() {}
+  public warn() {}
+  public error() {}
+}

packages/smithy-client/src/index.ts

@@ -1,3 +1,4 @@
+export * from "./NoOpLogger";
 export * from "./client";
 export * from "./command";
 export * from "./constants";