style improvements

- added empty state to list
- styled scrollbars
- progressbar shows time elapsed
- timers are monospace
- prevent overflow in titles

client/src/common/components/buttons/SettingsIconBtn.jsx

@@ -0,0 +1,14 @@
+import { IconButton } from '@chakra-ui/button';
+import { FiSettings } from 'react-icons/fi';
+
+export default function SettingsIconBtn(props) {
+  return (
+    <IconButton
+      size={props.size || 'xs'}
+      icon={<FiSettings />}
+      isRound
+      variant='outline'
+      onClick={props.clickHandler}
+    />
+  );
+}