refactor: tui package for CLI styles and prompts, restyle confirmation

internal/cli/tui/print.go

@@ -0,0 +1,11 @@
+package tui
+
+import (
+	"fmt"
+	"os"
+)
+
+func PrintWarning(msg string) {
+	styledMsg := BoldYellow.Render(fmt.Sprintf("WARNING: %s", msg))
+	fmt.Fprintln(os.Stderr, styledMsg)
+}