re-add tree

src/tui/mod.rs

@@ -510,6 +510,7 @@ impl App {
             literal: palette.secondary,
             faded: palette.muted,
             delimiter: palette.accent,
+            string: palette.accent,
         }
     }
 
@@ -535,6 +536,7 @@ pub struct Styles {
     border_highlighted: Style,
     error: Style,
 
+    string: Color,
     literal: Color,
     faded: Color,
     delimiter: Color,