README.md in puree-0.7.0 vs README.md in puree-0.8.0

@@ -171,11 +171,26 @@
     "day"=>"18"
   }
 }
 ```
 
+## Publication data structures
 
+### file
+An array of files.
+
+```ruby
+[
+  {
+    "name"=>"foo.csv",
+    "mime"=>"application/octet-stream",
+    "size"=>"1616665158",
+    "url"=>"http://example.com/ws/rest/files/12345678/foo.csv",
+  },
+]
+```
+
 ## Utilities
 
 ### Convert date to ISO 8601 format.
 
 ```ruby
@@ -204,9 +219,11 @@
 
 Resource metadata
 
 ```ruby
 :dataset
+:person
+:publication
 ```
 
 Resource metadata (single hash only)
 
 ```ruby
\ No newline at end of file