add documentation to metadata fields

src/entities/account.rs

@@ -54,7 +54,9 @@ pub struct Account {
 /// A single name: value pair from a user's profile
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Default)]
 pub struct MetadataField {
+    /// name part of metadata
     pub name: String,
+    /// value part of metadata
     pub value: String,
 }