Put the illustration in the `src/assets/images/illustrations` folder. Rename it to `undraw_` + the illustration slug.
Replace colors in the SVG with CSS variables such as `var(--color-brand)` and `var(--color-raised)`. For colors that are the same as the font color, use `currentColor`.
Add the `.illustration` class to the SVG
Import the SVG in the `<script>` of your svelte file, and treat the illustration as a Svelte component: