Feature Request: Support Light/dark mode

[fluiddot]

What

Provide light and dark mode options in the app. They could be configurable via settings but it could synchronize with OS preference.

Why

Most of the apps provide light/dark modes.

How

• Add styles for dark mode.
• Use Tailwind's dark mode in the different components to present the light/dark modes.
• Explore how to determine the light/dark mode based on OS preference.