Added the Yang GUI to GUI2

Change-Id: I843db3838668e21a77837faaf00d4d6834676d8d
diff --git a/apps/yang-gui/yang-gui2-lib/public_api.ts b/apps/yang-gui/yang-gui2-lib/public_api.ts
new file mode 100644
index 0000000..0238889
--- /dev/null
+++ b/apps/yang-gui/yang-gui2-lib/public_api.ts
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2020-present Open Networking Foundation
+ *
+ * Licensed 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.
+ */
+
+/*
+ * Public API Surface of fm-gui2-lib
+ */
+
+export * from './lib/yang-gui2-lib.module';
+export * from './lib/yangtable/yangtable.component';
+export * from './lib/yangdetails/yangdetails.component';