added retained information to docu

User_Manual.md

@@ -15,20 +15,20 @@ The AhoyDTU will publish on the following topics
 
 ### `<TOPIC>/#`
 
-| Topic | Example Value | Remarks |
-|---|---|---|
-| `comm_start` | 1672123767 | inverter communication start, based on sunrise, UTC timestamp |
-| `comm_stop` | 1672155709 | inverter communication stop, based on sunset, UTC timestamp |
-| `device` | AHOY-DTU | configured device name |
-| `dis_night_comm` | true | setting if night communication is disabled |
-| `free_heap` | 17784 | free heap of ESP in bytes |
-| `mqtt` | connected | shows MQTT status |
-| `status` | 1 | see table below |
-| `sunrise` | 1672124667 | sunrise, UTC timestamp |
-| `sunset` | 1672154809 | sunset, UTC timestamp |
-| `uptime` | 73630 | uptime in seconds |
-| `version` | 0.5.61 | current installed verison of AhoyDTU |
-| `wifi_rssi` | -75 | WiFi signal strength |
+| Topic | Example Value | Remarks | Retained |
+|---|---|---|---|
+| `comm_start` | 1672123767 | inverter communication start, based on sunrise, UTC timestamp | true |
+| `comm_stop` | 1672155709 | inverter communication stop, based on sunset, UTC timestamp | true |
+| `device` | AHOY-DTU | configured device name | true |
+| `dis_night_comm` | true | setting if night communication is disabled | true |
+| `free_heap` | 17784 | free heap of ESP in bytes | false |
+| `mqtt` | connected | shows MQTT status | true |
+| `status` | 1 | see table below | true |
+| `sunrise` | 1672124667 | sunrise, UTC timestamp | true |
+| `sunset` | 1672154809 | sunset, UTC timestamp | true |
+| `uptime` | 73630 | uptime in seconds | false |
+| `version` | 0.5.61 | current installed verison of AhoyDTU | true |
+| `wifi_rssi` | -75 | WiFi signal strength | false |
 
 | status code | Remarks |
 |---|---|
@@ -39,10 +39,10 @@ The AhoyDTU will publish on the following topics
 
 ### `<TOPIC>/<INVERTER_NAME_FROM_SETUP>/#`
 
-| Topic | Example Value | Remarks |
-|---|---|---|
-| `available` | 2 | see table below |
-| `last_success` | 1672155690 | UTC Timestamp |
+| Topic | Example Value | Remarks | Retained |
+|---|---|---|---|
+| `available` | 2 | see table below | true |
+| `last_success` | 1672155690 | UTC Timestamp | true |
 
 | status code | Remarks |
 |---|---|