fix: add missing autoformat.sh script

Author: ariefshaik7

autoformat.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+#
+# This script runs the auto-formatters (isort and pyink)
+# to fix code style and import order.
+
+set -e
+
+echo "Running isort to sort imports..."
+isort .
+
+echo "Running pyink to reformat code..."
+pyink .
+
+echo "Formatting complete."