Added scripts to create and delete users. Moved all scripts to new scripts folder

scripts/delete_cognito_user.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+set -e
+
+if [ "$#" -ne 2 ]; then
+  echo "Usage: $0 USER_POOL_ID USERNAME"
+  exit 1
+fi
+
+USER_POOL_ID=$1
+USERNAME=$2
+
+aws cognito-idp admin-delete-user --no-cli-pager \
+  --user-pool-id "$USER_POOL_ID" \
+  --username "$USERNAME" \
+  --output json > /dev/null 2>&1
+
+echo "User $USERNAME deleted successfully"