feat: Add Contacts page (#1335)

Co-authored-by: Sojan <sojan@pepalo.com>
Co-authored-by: Pranav Raj Sreepuram <pranavrajs@gmail.com>

app/views/api/v1/accounts/contacts/active.json.jbuilder

@@ -1,3 +1,8 @@
+json.meta do
+  json.count @contacts_count
+  json.current_page @current_page
+end
+
 json.payload do
   json.array! @contacts do |contact|
     json.partial! 'api/v1/models/contact.json.jbuilder', resource: contact, with_contact_inboxes: true