feat: allow ad-hoc creation of new teams (#3964)

Co-authored-by: Tom Moor <tom@getoutline.com>

shared/utils/slugify.ts

@@ -1,10 +0,0 @@
-import slugify from "slugify"; // Slugify, escape, and remove periods from headings so that they are
-// compatible with url hashes AND dom selectors
-
-export default function safeSlugify(text: string) {
-  return `h-${escape(
-    slugify(text, {
-      lower: true,
-    }).replace(".", "-")
-  )}`;
-}