use clearer separator character

src/renderer/components/separator/index.tsx

@@ -0,0 +1,15 @@
+import { SEPARATOR_STRING } from '/@/renderer/api/utils';
+import { Text } from '/@/renderer/components/text';
+
+export const Separator = () => {
+    return (
+        <Text
+            $noSelect
+            $secondary
+            size="md"
+            style={{ display: 'inline-block', padding: '0px 3px' }}
+        >
+            {SEPARATOR_STRING}
+        </Text>
+    );
+};