Revize a11b46b5

added .env file re #9243

frontend/.env

@@ +1 @@
+REACT_APP_API_BASE_URL=http://localhost:8080

frontend/src/features/Catalog/Catalog.tsx

@@ -3 +3 @@
     Button,
     Collapse,
     Container,
-    Divider,
     Grid,
     Paper,
     Stack,
@@ -28 +27 @@
             >
                 <Container sx={{ mt: 4 }}>
                     <Typography variant="h3" sx={{mb: 2}} fontWeight="bold" >Catalog</Typography>
-                    <Button variant="outlined" color="secondary" onClick={toggleFilter}>
+                    <Button variant="outlined" color="primary" onClick={toggleFilter}>
                         Filter
                     </Button>
                     <Collapse in={filterOpen} timeout="auto" unmountOnExit>