Assign version to backend

central_frontend/src/widgets/SolarEnergyNavList.tsx

@@ -12,9 +12,11 @@ import {
   ListItemButton,
   ListItemIcon,
   ListItemText,
+  Typography,
 } from "@mui/material";
 import { useLocation } from "react-router-dom";
 import { RouterLink } from "./RouterLink";
+import { ServerApi } from "../api/ServerApi";
 
 export function SolarEnergyNavList(): React.ReactElement {
   return (
@@ -52,6 +54,13 @@ export function SolarEnergyNavList(): React.ReactElement {
         uri="/logs"
         icon={<Icon path={mdiNotebookMultiple} size={1} />}
       />
+      <Typography
+        variant="caption"
+        component="div"
+        style={{ textAlign: "center", width: "100%", marginTop: "30px" }}
+      >
+        Version {ServerApi.Config.backend_version}
+      </Typography>
     </List>
   );
 }