Change ResidentId(String) to ResidentId(u8), impl Copy for ShiftType, use u8 for all UserConfig params

src-tauri/src/export.rs

@@ -179,12 +179,12 @@ mod tests {
     #[fixture]
     fn config() -> UserConfig {
         UserConfig::default().with_residents(vec![
-            Resident::new("1", "Στέφανος"),
-            Resident::new("2", "Ιορδάνης"),
-            Resident::new("3", "Μαρία"),
-            Resident::new("4", "Βεατρίκη"),
-            Resident::new("5", "Τάκης"),
-            Resident::new("6", "Μάκης"),
+            Resident::new(1, "Στέφανος"),
+            Resident::new(2, "Ιορδάνης"),
+            Resident::new(3, "Μαρία"),
+            Resident::new(4, "Βεατρίκη"),
+            Resident::new(5, "Τάκης"),
+            Resident::new(6, "Μάκης"),
         ])
     }