Markdown fixes

docs/README.md

@@ -1,4 +1,4 @@
-# Bohrok Animations -- README
+# Bohrok Animations – README
 
 Makuta has been defeated, but the danger is not past. The insect-like Bohrok swarms have awakened, bringing chaos and destruction everywhere they go. To stop them, the Toa must travel deep underground and be forever transformed.
 

package.json

@@ -16,6 +16,7 @@
 		"archiver": "^6.0.1",
 		"innosetup": "^6.0.5",
 		"marked": "^9.1.2",
+		"marked-gfm-heading-id": "^3.1.0",
 		"tar": "^6.2.0"
 	}
 }

util/doc.mjs

@@ -2,6 +2,7 @@ import {readdir, readFile, stat, writeFile} from 'fs/promises';
 import {pathToFileURL} from 'url';
 
 import {marked} from 'marked';
+import {gfmHeadingId} from 'marked-gfm-heading-id';
 
 import {templateStrings} from './string.mjs';
 
@@ -35,12 +36,13 @@ export async function docs(src, dst) {
 		breaks: true,
 		smartypants: true
 	};
+	const ext = [gfmHeadingId({})];
 	await Promise.all(
 		(await readdir(src))
 			.filter(f => /^[^\.].*\.md$/i.test(f))
 			.sort()
 			.map(f => readFile(`${src}/${f}`, 'utf8').then(md => {
-				const body = marked(md, options).trim();
+				const body = marked.use(...ext)(md, options).trim();
 				const title = firstHeader(body);
 				return writeFile(
 					`${dst}/${f}`.replace(/\.md$/i, '.html'),