Add the auto-generated node catalog to the website's user manual (#3662)

* Generate the MVP node catalog in the manual (with some placeholders)

* Implement nearly the rest of everything

* Move to the tools directory and make it generate nicer default values

* Add category descriptions

* Organize file structure and improve type naming

* Improve book table of contents code

* Add collapsing chapter navigation to the book template

* Add to build workflow

* Clean up site structure

website/static/js/component/youtube-embed.js

@@ -0,0 +1,24 @@
+window.addEventListener("DOMContentLoaded", () => {
+	document.querySelectorAll("[data-youtube-embed]").forEach((placeholder) => {
+		if (!(placeholder instanceof HTMLElement)) return;
+		placeholder.addEventListener("click", () => {
+			const videoId = placeholder.getAttribute("data-youtube-embed") || "";
+			const timestamp = placeholder.getAttribute("data-youtube-timestamp") || "";
+			placeholder.outerHTML = `
+				<iframe \\
+				width="1280" \\
+				height="720" \\
+				src="https://www.youtube.com/embed/${videoId}?${timestamp ? `start=${timestamp}&` : ""}autoplay=1" \\
+				frameborder="0" \\
+				allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" \\
+				allowfullscreen\\
+				>\\
+				</iframe>\\
+				`
+				.split("\n")
+				.map((line) => line.trim())
+				.join("")
+				.replaceAll(`\\`, "");
+		});
+	});
+});