added postgres 16.0 support (#21)

Signed-off-by: souravbiswassanto <saurov@appscode.com>

role_scripts/16/primary/db.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+# Copyright AppsCode Inc. and Contributors
+#
+# Licensed under the AppsCode Free Trial License 1.0.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://github.com/appscode/licenses/raw/1.0.0/AppsCode-Free-Trial-1.0.0.md
+#
+# 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.
+
+psql -c 'create database test;'
+psql -c 'CREATE TABLE fruits( id SERIAL PRIMARY KEY, name VARCHAR NOT NULL );'
+while true; do
+    sleep 1
+    psql -c "INSERT INTO fruits(name) VALUES('Orange');"
+done