Add an icon

src/App.js

@@ -11,15 +11,17 @@ import DialogContent from '@mui/material/DialogContent';
 import DialogContentText from '@mui/material/DialogContentText';
 import DialogTitle from '@mui/material/DialogTitle';
 import Divider from '@mui/material/Divider';
-import EditIcon from '@mui/icons-material/Edit';
 import IconButton from '@mui/material/IconButton';
 import MenuItem from '@mui/material/MenuItem';
 import Select from '@mui/material/Select';
-import SettingsBrightnessIcon from '@mui/icons-material/SettingsBrightness';
 import TextField from '@mui/material/TextField';
 import Toolbar from '@mui/material/Toolbar';
 import Typography from '@mui/material/Typography';
 
+import EditIcon from '@mui/icons-material/Edit';
+import SearchIcon from '@mui/icons-material/Search';
+import SettingsBrightnessIcon from '@mui/icons-material/SettingsBrightness';
+
 import { ThemeProvider, createTheme } from '@mui/material/styles';
 
 import './App.css'
@@ -106,7 +108,9 @@ function RoomResearch({ callbackRoomSelected }) {
         justifyContent="flex-end"
         alignItems="flex-end"
       >
-        <Button variant="contained" onClick={startResearch}>Rechercher</Button>
+        <Button startIcon={<SearchIcon/>} variant="contained" onClick={startResearch}>
+          Rechercher
+        </Button>
       </Box>
       <Rooms rooms={rooms} callbackRoomSelected={callbackRoomSelected} />
     </div>