Add Raspberry Pi production verification runbook

Server/.env.example

@@ -3,6 +3,7 @@ QSFERA_VERSION=7.0.0
 QSFERA_EDITION=stable
 QSFERA_BUILD_DATE=20260608
 QSFERA_RPI_HOST_PORT=9200
+QSFERA_RPI_DEBUG_HOST_PORT=9205
 QSFERA_RPI_CONFIG_PATH=/mnt/data/qsfera/cloud-server/config
 QSFERA_RPI_DATA_PATH=/mnt/data/qsfera/cloud-server/data
 
@@ -10,4 +11,6 @@ OC_URL=https://qsfera.example.com
 OC_LOG_LEVEL=info
 OC_INSECURE=false
 PROXY_TLS=true
+PROXY_DEBUG_ADDR=0.0.0.0:9205
+PROXY_DEBUG_TOKEN=
 FRONTEND_CHECK_FOR_UPDATES=false