feat: Support implicit index.md in /docs/petal/…/folder

src/lib/docs/remark-include.ts

@@ -19,11 +19,9 @@ export const remarkInclude: Plugin<[], Root> = ({ resolveFrom }: { resolveFrom:
 				&& node.meta !== "options"))
 				return [node];
 
-			// !== "options" because those are special, parsed from options.json:
+			// TODO: temporarily !== "options" because those are special, parsed from options.json:
 			// https://github.com/NixOS/nixpkgs/blob/d31617bedffa3e5fe067feba1c68b1a7f644cb4f/pkgs/tools/nix/nixos-render-docs/src/nixos_render_docs/manual.py#L81-L102
 
-			console.log("awa", node);
-
 			const includes = node.value.split("\n");
 
 			return includes.flatMap(included => {
@@ -34,7 +32,7 @@ export const remarkInclude: Plugin<[], Root> = ({ resolveFrom }: { resolveFrom:
 					includeContents = readSync(includePath, "utf8");
 				} catch (err) {
 					throw new Error(
-						`The @include file path at ${includePath} was not found.\n\nInclude Location: ${file.path}:${node.position.start.line}:${node.position.start.column}`
+						`The {=include=} file path at ${includePath} was not found.\n\nInclude Location: ${file.path}:${node.position.start.line}:${node.position.start.column}`
 					);
 				}
 

src/routes/docs/petal/[...rest]/+page.server.ts

@@ -1,15 +1,25 @@
 import type { PageServerLoad } from "./$types";
 import { join } from "path";
 import { renderToHtml } from "$lib/docs";
+import { stat } from "fs/promises";
 
 
 export const load: PageServerLoad = async (event) => {
-	const userPath = event.params.rest;
+	let userPath = event.params.rest;
 	// we shouldn't need this, but it doesn't hurt.
 	if (userPath.split("/").find(c => /^\.*$/.test(c)))
 		throw new Error("url is sus");
 
 	const base = join(process.cwd(), ".petalpkgs");
+
+	{
+		const isFolder = await stat(join(base, userPath))
+			.then(f => f.isDirectory())
+			.catch(() => false);
+
+		if (isFolder) userPath += "/index";
+	}
+
 	return {
 		html: await renderToHtml({ base, path: userPath })
 	};