chore: set initial version to 0.1.0-preview.1 (#673)

Author: trivikr

codegen/sdk-codegen/build.gradle.kts

@@ -54,7 +54,7 @@ tasks.register("generate-smithy-build") {
                             .withMember("typescript-codegen", Node.objectNodeBuilder()
                                     .withMember("package", "@aws-sdk/client-" + sdkId.toLowerCase())
                                     // Note that this version is replaced by Lerna when publishing.
-                                    .withMember("packageVersion", "1.0.0")
+                                    .withMember("packageVersion", "0.1.0-preview.1")
                                     .withMember("packageJson", manifestOverwrites)
                                     .build()))
                     .build()