add option to switch mDNS off/on

interface/src/framework/network/NetworkSettingsForm.tsx

@@ -56,7 +56,8 @@ const WiFiSettingsForm: FC = () => {
           enableIPv6: false,
           bandwidth20: false,
           tx_power: 20,
-          nosleep: false
+          nosleep: false,
+          enableMDNS: true
         });
       }
       setInitialized(true);
@@ -153,6 +154,11 @@ const WiFiSettingsForm: FC = () => {
           label="Use Lower WiFi Bandwidth"
         />
 
+        <BlockFormControlLabel
+          control={<Checkbox name="enableMDNS" checked={data.enableMDNS} onChange={updateFormValue} />}
+          label="Enable mDNS Service"
+        />
+
         <Typography sx={{ pt: 2 }} variant="h6" color="primary">
           General
         </Typography>