improve usability of Account struct

src/rfc8620.rs

@@ -247,12 +247,29 @@ pub struct CapabilitiesObject {
 #[derive(Deserialize, Serialize, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct Account {
+    pub name: String,
+    pub is_personal: bool,
+    pub is_read_only: bool,
+    pub account_capabilities: HashMap<String, Value>,
+    #[serde(flatten)]
+    pub extra_properties: HashMap<String, Value>,
+}
+
+impl Account {
+    pub fn new(
         name: String,
         is_personal: bool,
         is_read_only: bool,
         account_capabilities: HashMap<String, Value>,
-    #[serde(flatten)]
-    extra_properties: HashMap<String, Value>,
+    ) -> Self {
+        Self {
+            name,
+            is_personal,
+            is_read_only,
+            account_capabilities,
+            extra_properties: HashMap::default(),
+        }
+    }
 }
 
 impl Object for Account {