helptext for string commands

interface/src/project/DashboardData.tsx

@@ -14,6 +14,7 @@ import {
   DialogActions,
   MenuItem,
   InputAdornment,
+  FormHelperText,
   IconButton,
   List,
   ListItem,
@@ -248,6 +249,9 @@ const DashboardData: FC = () => {
                 }}
               />
             )}
+            {deviceValue.h && (
+              <FormHelperText>{deviceValue.h}</FormHelperText>
+            )}
           </DialogContent>
           <DialogActions>
             <Button

interface/src/project/types.ts

@@ -131,6 +131,7 @@ export interface DeviceValue {
   n: string; // name
   c: string; // command
   l: string[]; // list
+  h?: string; // help text
 }
 
 export interface DeviceData {