Add FreeRTOS setup script for fullstack example

Co-Authored-By: daniele@wolfssl.com <daniele@wolfssl.com>

fullstack/freertos-wolfip-wolfssl-https/setup.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+# Script to setup FreeRTOS environment for wolfSSL examples
+set -e
+
+FREERTOS_REPO="https://github.com/FreeRTOS/FreeRTOS.git"
+FREERTOS_KERNEL_REPO="https://github.com/FreeRTOS/FreeRTOS-Kernel.git"
+FREERTOS_POSIX_REPO="https://github.com/FreeRTOS/FreeRTOS-Plus-POSIX.git"
+
+echo "Setting up FreeRTOS simulation environment..."
+
+# Create directories if they don't exist
+mkdir -p freertos
+cd freertos
+
+# Clone FreeRTOS repositories if they don't exist
+if [ ! -d "FreeRTOS" ]; then
+    git clone $FREERTOS_REPO
+fi
+
+if [ ! -d "FreeRTOS-Kernel" ]; then
+    git clone $FREERTOS_KERNEL_REPO
+fi
+
+if [ ! -d "FreeRTOS-Plus-POSIX" ]; then
+    git clone $FREERTOS_POSIX_REPO
+fi
+
+echo "FreeRTOS repositories cloned successfully"
+
+# Create basic directory structure for our project
+mkdir -p ../src
+mkdir -p ../include
+mkdir -p ../build
+
+echo "Directory structure created"
+echo "Setup complete!"