chore: move highlight inside of tui

internal/tui/components/chat/messages/renderer.go

@@ -7,10 +7,10 @@ import (
 	"time"
 
 	"github.com/charmbracelet/crush/internal/fsext"
-	"github.com/charmbracelet/crush/internal/highlight"
 	"github.com/charmbracelet/crush/internal/llm/agent"
 	"github.com/charmbracelet/crush/internal/llm/tools"
 	"github.com/charmbracelet/crush/internal/tui/components/core"
+	"github.com/charmbracelet/crush/internal/tui/highlight"
 	"github.com/charmbracelet/crush/internal/tui/styles"
 	"github.com/charmbracelet/lipgloss/v2"
 	"github.com/charmbracelet/lipgloss/v2/tree"