feat: added setting to enable/disable polling of min and max temperatures via opentherm

data/settings.html

@@ -107,6 +107,10 @@
               <input type="checkbox" class="opentherm-sync-modulation-with-heating" name="opentherm[modulationSyncWithHeating]" value="true">
               Sync modulation with heating
             </label>
+            <label for="opentherm-get-min-max-temp">
+              <input type="checkbox" class="opentherm-get-min-max-temp" name="opentherm[getMinMaxTemp]" value="true">
+              Get min/max temp from boiler
+            </label>
           </fieldset>
 
           <button type="submit">Save</button>