Open external links in a new tab

Sets openLinksInNewTab: true on the CrawlLinks transformer so readers
don't lose their place in the docs when they follow a citation.

quartz.config.ts

@@ -67,7 +67,7 @@ const config: QuartzConfig = {
       Plugin.ObsidianFlavoredMarkdown({ enableInHtmlEmbed: false }),
       Plugin.GitHubFlavoredMarkdown(),
       Plugin.TableOfContents(),
-      Plugin.CrawlLinks({ markdownLinkResolution: "shortest" }),
+      Plugin.CrawlLinks({ markdownLinkResolution: "shortest", openLinksInNewTab: true }),
       Plugin.Description(),
       Plugin.Latex({ renderEngine: "katex" }),
     ],