Support Date index

yoshida-eth0 · yoshida-eth0 · commit 6f8fc39d3beb · 2021-02-15T06:57:06.000+09:00
diff --git a/lib/dynamoid/fields.rb b/lib/dynamoid/fields.rb
@@ -14,6 +14,7 @@ module Fields
       number
       integer
       string
+      date
       datetime
       serialized
     ].freeze
