docs(explorer): update default config + new example (#493)

Ben Schlegel

2023-09-21 dcdeae4e7bd527945b887ca347b3b4408c03055b

 quartz/plugins/transformers/syntax.ts

@@ -4,8 +4,13 @@
export const SyntaxHighlighting: QuartzTransformerPlugin = () => ({
  name: "SyntaxHighlighting",
  htmlPlugins() {
    return [[rehypePrettyCode, {
      theme: 'css-variables',
    } satisfies Partial<CodeOptions>]]
  }
    return [
      [
        rehypePrettyCode,
        {
          theme: "css-variables",
        } satisfies Partial<CodeOptions>,
      ],
    ]
  },
})