feature: add survey script

lib/survey.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+while true; do
+
+read -p "Do you want to proceed? (yes/no) " yn
+
+case $yn in 
+	yes ) echo ok, we will proceed;
+		break;;
+	no ) echo exiting...;
+		exit;;
+	* ) echo invalid response;;
+esac
+
+done

restore_backup.sh

@@ -1,5 +1,10 @@
 #!/bin/bash
 
+echo 'The script restores the default state of the \
+     public schema, which will delete all data'
+
+source lib/survey.sh
+
 # Correctly configure aws cli before running this script
 # `aws configure`