They have instructions for Vue, React and Angular and hence SolidJS is not so far away from React, it also fits into the stack.
Simply start with Getting Started from SolidJS and add the webcomponents with
npm install @ui5/webcomponents --save
After that you are good to go.
import '@ui5/webcomponents/dist/Button.js' <ui5-button>Hello world!</ui5-button>
What do you prefer for SolidJS?