Base styling

[moichim]

Introduce base styles in ThermalEmotionProvider:

• font sizes with redponsive scaling
• line heights with responsive scaling
• breakpoints
• gaps

Scaling should be done using calc and the variable value.

Color theme should include:

• primary
• secondary
• slate
• success
• danger
• info

There should also be foreground and background.

Ui components include: button, dropdown and input.

Components have:

• variant (base color)
• theme (light, default, outline)
• scale (sm,md,lg)