style(config): change accent color to bright green

dot_config/herdr/config.toml

@@ -119,7 +119,7 @@ description = "open browser overlay"
 # neon block above the panes, so this is the same plate kitty's tab bar uses —
 # the accent mixed 20% into the background — and the label on top of it is the
 # accent itself (see `surface_dim` below).
-accent = "#243348"
+accent = "#00ff00"
 
 [theme]
 name = "terminal"