cat tailwind.config.js { daisyui: { themes: [{ soft-gray: { "primary": "#D9D9D9", "primary-content": "#000000", "secondary": "#FFFFFF", "secondary-content": "#000000", "accent": "#A0A0A0", "accent-content": "#000000", "neutral": "#F8F8F8", "neutral-content": "#000000", "base-100": "#FFFFFF", "base-200": "#F0F0F0", "base-300": "#E0E0E0", "base-content": "#000000", }, }], }, }How to add a custom daisyUI theme?