The existing example currently does not work because of outdated usage patterns. This PR seeks to update these patterns to the latest recommended best practice while bumping versions.
# Summary
- Bumped version numbers in `package.json`;
- Moved `<link />` tag from `pages/index.js` to `pages/_document.js` as is [recommended](https://github.com/zeit/next-plugins/tree/master/packages/next-css#usage);
- Replace individual css/font imports with import of minified CSS as is [recommended](https://react.semantic-ui.com/usage#semantic-ui-css-package);
- Removed prop (no longer used) from `<List />` element.
* Examples: clarify language around Yarn create & npx
* add missing READMEs and create-next-app usage
* suggest people tag jthegedus in firebase related issues
* add yarn alt instructions
* cerebraljs example readme & fixes
* remove global npm install of create-next-app
* add npx to create-next-app command in examples
* add bash to shell snippets
* add yarn create to next-app command in examples
* fix READMEs named with lowercase
* change READMEs to use UPPERCASE
