chore: add rachel to authors

Author: Yukaii

data/authors.yml

@@ -35,3 +35,10 @@
   bio_en: Marketing manager
   profile: https://hackmd.io
   avatar: https://www.gravatar.com/avatar/default
+
+- name: Rachel Golden
+  id: rachel
+  bio: Helping brands tells their story, build awareness, and meaningfully connect with their community.
+  bio_en: Helping brands tells their story, build awareness, and meaningfully connect with their community.
+  profile: https://hackmd.io/@DG2O1F5dQN2k0rxXGAa_3g
+  avatar: https://uploads-public.hackmd.io/upload_97c33eeed58c9202f89932654bc628ba.png