Add new text syntax

And some fixes

src/text/parse/elements/title.ts

@@ -0,0 +1,14 @@
+/**
+ * Title
+ */
+
+module.exports = text => {
+	const match = text.match(/^【(.+?)】\n/);
+	if (!match) return null;
+	const title = match[0];
+	return {
+		type: 'title',
+		content: title,
+		title: title.substr(1, title.length - 3)
+	};
+};