trim name of new user name

src/model/user.rs

@@ -450,6 +450,7 @@ ORDER BY last_access DESC
     }
 
     pub async fn create(db: &SqlitePool, name: &str) -> bool {
+        let name = name.trim();
         sqlx::query!("INSERT INTO USER(name) VALUES (?)", name)
             .execute(db)
             .await