fix: Fix `Backlinks` not applying the display class (#519)

Luca Salvarani

2023-10-02 c8f5dbbad3a85749d8a74f5e3e3b222fe547d5d6

 quartz/plugins/transformers/index.ts

@@ -8,3 +8,4 @@
export { OxHugoFlavouredMarkdown } from "./oxhugofm"
export { SyntaxHighlighting } from "./syntax"
export { TableOfContents } from "./toc"
export { HardLineBreaks } from "./linebreaks"