Add tailwind.config.ts to foundations

[IOIO72]

Add tailwind.config.ts to https://github.com/db-ui/mono/tree/main/packages/foundations/tailwind

Use Config types to introduce typing into the config file: import type { Config } from 'tailwindcss';

When using the default configuration type of Tailwind, the linter shows some errors in the tailwind-tokens.json. This could be an error or the types need to be extended.

[mfranzke]

@IOIO72 thanks a lot for your feedback. @nmerget will have a look at it.

[IOIO72]

Thanks,

btw, it seems that Tailwind recommends using zeros as strings instead of numbers.

0: '0', none: '0',