feat: implement type assertion for record link token

src/lib/Validators/isRecordLink.util.ts

@@ -0,0 +1,12 @@
+/** @format */
+
+import { RecordLink } from '../../types';
+import { ObjectId } from '../Db';
+
+export const isRecordLink = (value: unknown): value is RecordLink => {
+    if (typeof value !== 'string') return false;
+
+    const [namespace, id] = value.split(':');
+
+    return !!(namespace && ObjectId.is(id));
+};