Add AI_MICROSERVICE_HOST_WS env variable to examples

Author: agustinbusso

.env.example

@@ -45,6 +45,7 @@ OPEN_AI_NLQ_TO_PMQL_ENABLED=true
 OPEN_AI_PROCESS_TRANSLATIONS_ENABLED=true
 OPEN_AI_SECRET="sk-O2D..."
 AI_MICROSERVICE_HOST="http://localhost:8010"
+AI_MICROSERVICE_HOST_WS="wss://localhost:8010"
 PROCESS_REQUEST_ERRORS_RATE_LIMIT=1
 PROCESS_REQUEST_ERRORS_RATE_LIMIT_DURATION=86400
 CUSTOM_EXECUTORS=false