shortcuts using useHotkeys from mantine/hooks (#907)

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Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
Co-authored-by: Carlos Valente <34649812+cpvalente@users.noreply.github.com>
Co-authored-by: Carlos Valente <carlosvalente@pm.me>

apps/client/src/theme/theme.ts

@@ -80,6 +80,14 @@ const theme = extendTheme({
         'ontime-ghosted': { ...ontimeInputGhosted },
       },
     },
+    Kbd: {
+      baseStyle: {
+        borderRadius: '2px',
+        border: '1px solid rgba(255, 255, 255, 0.20)',
+        background: 'rgba(255, 255, 255, 0.10)',
+        color: 'white',
+      },
+    },
     Menu: {
       variants: {
         'ontime-on-dark': { ...ontimeMenuOnDark },