fix(nit): make defaultOptions on explorer not a function

Jacky Zhao

2023-09-19 1bf7e3d8b3966590ebfa3418d6fb2ce6a520c846

 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"