Merge pull request #609 from ndrsnhs/pv-charging-threshold-hint

add warning text

Author: benderl

src/views/PVChargeConfig.vue

@@ -65,6 +65,11 @@
             <template #help> Obere Grenze des Regelbereichs. </template>
           </openwb-base-number-input>
           <hr />
+          <openwb-base-alert subtype="danger">
+            Die Differenzleistung zw. Ein- und Abschaltschwelle sollte mind. 1.4kW (230V x 6A) betragen. (Konfiguriert: 
+            {{($store.state.mqtt['openWB/general/chargemode_config/pv_charging/switch_on_threshold'] - 
+            $store.state.mqtt['openWB/general/chargemode_config/pv_charging/switch_off_threshold']) / 1000}}&nbsp;kW)
+          </openwb-base-alert>
           <openwb-base-number-input
             title="Einschaltschwelle"
             :min="0"