Added windows check in the setup script

setup.sh

@@ -1,24 +1,32 @@
 #!/bin/bash
 
-if ! command -v python3 &> /dev/null
-then
-    echo "python3 could not be found"
-    echo "Installing python3 using pyenv..."
-    if ! command -v pyenv &> /dev/null
+if [[ "$OSTYPE" == "cygwin" ]] || [[ "$OSTYPE" == "msys" ]] || [[ "$OSTYPE" == "win32" ]]; then
+    echo "This script cannot be run on Windows."
+    echo "Please follow the installation instructions at https://docs.python.org/3/using/windows.html"
+    echo "To install poetry on Windows, please follow the instructions at https://python-poetry.org/docs/master/#installation"
+    
+    exit 1
+else
+    if ! command -v python3 &> /dev/null
     then
-        echo "pyenv could not be found"
-        echo "Installing pyenv..."
-        curl https://pyenv.run | bash
+        echo "python3 could not be found"
+        echo "Installing python3 using pyenv..."
+        if ! command -v pyenv &> /dev/null
+        then
+            echo "pyenv could not be found"
+            echo "Installing pyenv..."
+            curl https://pyenv.run | bash
+        fi
+        pyenv install 3.11.5
+        pyenv global 3.11.5
     fi
-    pyenv install 3.11.5
-    pyenv global 3.11.5
-fi
 
-if ! command -v poetry &> /dev/null
-then
-    echo "poetry could not be found"
-    echo "Installing poetry..."
-    curl -sSL https://install.python-poetry.org | python3 -
+    if ! command -v poetry &> /dev/null
+    then
+        echo "poetry could not be found"
+        echo "Installing poetry..."
+        curl -sSL https://install.python-poetry.org | python3 -
+    fi
 fi
 
 if ! command -v flutter &> /dev/null