Add guides (#224)

* Add guides

* Add versioning to guides

* Guides: special variables and nested expressions

* Add guides page to vite build

* Add search and hash hooks, guide tags and headings

* Improve guides list and filtering

* Add 1.19 download link

src/app/components/GuideCard.tsx

@@ -0,0 +1,25 @@
+import { ChangelogTag } from './versions'
+
+interface Props {
+	title: string,
+	link: string,
+	versions: string[],
+	tags: string[],
+	activeTags?: string[],
+	toggleTag?: (tag: string) => unknown,
+}
+export function GuideCard({ title, link, versions, tags, activeTags, toggleTag }: Props) {
+	const onToggleTag = (tag: string) => (e: MouseEvent) => {
+		if (toggleTag) toggleTag(tag)
+		e.preventDefault()
+		e.stopImmediatePropagation()
+	}
+
+	return <a class="guide-card" href={link} >
+		<span class="guide-versions">{versions.join(' • ')}</span>
+		<h3>{title}</h3>
+		<div class="guide-tags">
+			{tags.sort().map(tag => <ChangelogTag label={tag} onClick={onToggleTag(tag)} active={activeTags?.includes(tag)} />)}
+		</div>
+	</a>
+}