feat(demos): add xiaomi mimo integration demo

demos/integrations/xiaomi_mimo/run_demo.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+set -e
+
+start_demo() {
+  if [ -f ".env" ]; then
+    echo ".env file already exists. Skipping creation."
+  else
+    if [ -z "$MIMO_API_KEY" ]; then
+      echo "Error: MIMO_API_KEY environment variable is not set for the demo."
+      exit 1
+    fi
+
+    echo "Creating .env file..."
+    echo "MIMO_API_KEY=$MIMO_API_KEY" > .env
+    echo ".env file created with MIMO_API_KEY."
+  fi
+
+  echo "Starting Plano with config.yaml..."
+  planoai up config.yaml
+}
+
+stop_demo() {
+  echo "Stopping Plano..."
+  planoai down
+}
+
+if [ "$1" == "down" ]; then
+  stop_demo
+else
+  start_demo
+fi