make setup.sh to work on macos

scripts/setup.sh

@@ -1,3 +1,20 @@
 #! /bin/bash
 
-apt-get install portaudio19-dev wget -y
+# Detect the operating system
+if [[ "$OSTYPE" == "darwin"* ]]; then
+    # macOS
+    echo "Detected macOS, using Homebrew for installation"
+
+    # Check if Homebrew is installed
+    if ! command -v brew &> /dev/null; then
+        echo "Homebrew not found. Please install Homebrew first: https://brew.sh/"
+        exit 1
+    fi
+
+    # Install packages using Homebrew
+    brew install portaudio wget
+else
+    # Linux (Debian/Ubuntu)
+    echo "Detected Linux, using apt-get for installation"
+    apt-get install portaudio19-dev wget -y
+fi