feat: Added the new root vertexai package

PiperOrigin-RevId: 529236549

Author: Ark-kun

setup.py

@@ -36,7 +36,7 @@
 packages = [
     package
     for package in setuptools.PEP420PackageFinder.find()
-    if package.startswith("google")
+    if package.startswith("google") or package.startswith("vertexai")
 ]
 
 tensorboard_extra_require = ["tensorflow >=2.3.0, <3.0.0dev"]

vertexai/__init__.py

@@ -0,0 +1,21 @@
+# Copyright 2023 Google LLC
+#
+# 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.
+#
+"""The vertexai module."""
+
+from google.cloud.aiplatform.aiplatform import init
+
+__all__ = [
+    "init",
+]