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/page/contributor-guide/editor-structure.js

@@ -0,0 +1,18 @@
+document.addEventListener("DOMContentLoaded", () => {
+	document.querySelectorAll(".tree-node").forEach((toggle) => {
+		toggle.addEventListener("click", (event) => {
+			// Prevent link click from also toggling parent
+			if (event.target instanceof HTMLElement && event.target.tagName === "A") return;
+
+			const nestedList = toggle.parentElement?.querySelector(".nested");
+			if (nestedList) {
+				toggle.classList.toggle("expanded");
+				nestedList.classList.toggle("active");
+			}
+		});
+	});
+
+	// Expand the first level by default
+	const firstLevel = document.querySelector(".structure-outline > ul > li > .tree-node");
+	if (firstLevel instanceof HTMLElement) firstLevel.click();
+});