- Add namespace based on `config.appId` passed from DOM.
- Enable multiple search application support. Introduces a new parameter in
`utils.createSearchAppInit(...)` called `multi` that allows users to override
each application's components using `appId` as a prefix.
- Bump semantic-ui-react to latest release
- Adds `semantic-ui-react/css-patch` because of https://github.com/Semantic-Org/Semantic-UI/issues/7073