feat: Auto update titles in linked documents (#1233)

* feat: Auto update titles in linked documents

* Add spec

server/utils/slugify.js

@@ -0,0 +1,10 @@
+// @flow
+import slug from 'slug';
+
+slug.defaults.mode = 'rfc3986';
+
+export default function slugify(text: string): string {
+  return slug(text, {
+    remove: /[.]/g,
+  });
+}