Can create user accounts

src/data/user.rs

@@ -22,6 +22,10 @@ pub struct User {
 }
 
 impl User {
+    pub fn full_name(&self) -> String {
+        format!("{} {}", self.first_name, self.last_name)
+    }
+
     pub fn can_access_app(&self, id: &ClientID) -> bool {
         match &self.authorized_clients {
             None => true,