THRIFT-5548: add kotlin code gen
Client: kotlin
Patch: Jiayu Liu

This closes #2556
diff --git a/lib/kotlin/settings.gradle.kts b/lib/kotlin/settings.gradle.kts
new file mode 100644
index 0000000..f412707
--- /dev/null
+++ b/lib/kotlin/settings.gradle.kts
@@ -0,0 +1,24 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+rootProject.name = "libthrift-kotlin"
+
+include("cross-test-client", "cross-test-server")
+
+includeBuild("../java")