Add docker is running and that demo is not running from windows (#325)

cmd/demo_scripts/create_qovery_demo.sh

@@ -168,6 +168,14 @@ install_deps() {
     exit 1
   fi
 
+  docker_running=$( (docker ps -q >/dev/null && echo true ) || echo false )
+  if "$docker_running" == "true"; then
+     echo "docker is running"
+  else
+    echo "Docker is not running. Please start Docker before running this command"
+    exit 1
+  fi
+
   if which k3d >/dev/null; then
     echo "k3d already installed"
   else

cmd/demo_up.go

@@ -20,6 +20,12 @@ var demoUpCmd = &cobra.Command{
 	Run: func(cmd *cobra.Command, args []string) {
 		utils.Capture(cmd)
 
+		if runtime.GOOS == "windows" {
+			utils.PrintlnError(fmt.Errorf("qovery demo is not supported from Windows. Please use WSL (Windows Subsystem for Linux) to use qovery demo"))
+			os.Exit(1)
+			panic("unreachable") // staticcheck false positive: https://staticcheck.io/docs/checks#SA5011
+		}
+
 		_, token, err := utils.GetAccessToken()
 		if err != nil {
 			utils.PrintlnError(err)