Add descriptions for Tree::TypeEnum

app/graphql/types/tree/type_enum.rb

@@ -6,9 +6,9 @@ module Types
       graphql_name 'EntryType'
       description 'Type of a tree entry'
 
-      value 'tree', value: :tree
-      value 'blob', value: :blob
-      value 'commit', value: :commit
+      value 'tree', description: 'Directory tree type', value: :tree
+      value 'blob', description: 'File tree type', value: :blob
+      value 'commit', description: 'Commit tree type', value: :commit
     end
   end
 end

doc/api/graphql/reference/index.md

@@ -13175,9 +13175,9 @@ Type of a tree entry.
 
 | Value | Description |
 | ----- | ----------- |
-| <a id="entrytypeblob"></a>`blob` |  |
-| <a id="entrytypecommit"></a>`commit` |  |
-| <a id="entrytypetree"></a>`tree` |  |
+| <a id="entrytypeblob"></a>`blob` | File tree type. |
+| <a id="entrytypecommit"></a>`commit` | Commit tree type. |
+| <a id="entrytypetree"></a>`tree` | Directory tree type. |
 
 ### `EpicSort`