✨ Feat(client): keymap box 구현

apps/client/src/components/Keymap.tsx

@@ -0,0 +1,86 @@
+import { Box, Paper, Stack, Typography, useTheme } from '@mui/material';
+import { styled } from '@mui/material/styles';
+
+// 키 맵 항목을 위한 스타일링된 컴포넌트
+const KeyMapItem = styled(Stack)(({ theme }) => ({
+    alignItems: 'center',
+    marginBottom: theme.spacing(1),
+}));
+
+// 키 표시를 위한 스타일링된 박스
+const KeyBox = styled(Box)(({ theme }) => ({
+    border: `1px solid ${theme.palette.divider}`,
+    borderRadius: '4px',
+    padding: '4px 8px',
+    backgroundColor: theme.palette.background.paper,
+    marginRight: theme.spacing(1),
+    display: 'inline-block',
+}));
+
+const KeyMap = () => {
+    const theme = useTheme();
+
+    return (
+        <Box
+            sx={{
+                position: 'fixed',
+                bottom: theme.spacing(2),
+                right: theme.spacing(2),
+                zIndex: 1300,
+            }}
+        >
+            <Paper
+                elevation={3}
+                sx={{
+                    padding: theme.spacing(2),
+                    backgroundColor: theme.palette.background.paper,
+                    opacity: 0.9,
+                }}
+            >
+                <Typography variant="h6" gutterBottom>
+                    Shortcut Key
+                </Typography>
+                <Stack spacing={1}>
+                    <KeyMapItem direction="row" spacing={1}>
+                        <KeyBox>Space</KeyBox>
+                        <Typography variant="body2">+</Typography>
+                        <KeyBox>Drag</KeyBox>
+                        <Typography variant="body2" sx={{ marginLeft: 'auto' }}>
+                            : Pan 기능
+                        </Typography>
+                    </KeyMapItem>
+                    <KeyMapItem direction="row" spacing={1}>
+                        <KeyBox>Wheel</KeyBox>
+                        <Typography variant="body2" sx={{ marginLeft: 'auto' }}>
+                            : 줌 인/아웃
+                        </Typography>
+                    </KeyMapItem>
+                    <KeyMapItem direction="row" spacing={1}>
+                        <KeyBox>Ctrl</KeyBox>
+                        <Typography variant="body2">+</Typography>
+                        <KeyBox>Click</KeyBox>
+                        <Typography variant="body2" sx={{ marginLeft: 'auto' }}>
+                            : Edge 분할
+                        </Typography>
+                    </KeyMapItem>
+                    <KeyMapItem direction="row" spacing={1}>
+                        <KeyBox>Double Click</KeyBox>
+                        <Typography variant="body2" sx={{ marginLeft: 'auto' }}>
+                            : Edge 전체 선택
+                        </Typography>
+                    </KeyMapItem>
+                    <KeyMapItem direction="row" spacing={1}>
+                        <KeyBox>Select</KeyBox>
+                        <Typography variant="body2">+</Typography>
+                        <KeyBox>Backspace</KeyBox>
+                        <Typography variant="body2" sx={{ marginLeft: 'auto' }}>
+                            : 삭제
+                        </Typography>
+                    </KeyMapItem>
+                </Stack>
+            </Paper>
+        </Box>
+    );
+};
+
+export default KeyMap;

apps/client/src/components/Layout/index.tsx

@@ -4,6 +4,7 @@ import { Box } from '@mui/material';
 import { Outlet } from 'react-router-dom';
 import Header from './Header';
 import Sidebar from './Sidebar';
+import KeyMap from '@components/Keymap';
 
 export default () => {
     return (
@@ -28,6 +29,7 @@ export default () => {
                 </Box>
             </Box>
 
+            <KeyMap />
             <NetworksBar />
             <PropertiesBar />
         </>