Добавлена конвертация расписания групп в расписание преподавателей

src/main.rs

@@ -3,13 +3,21 @@ use std::path::Path;
 use schedule_parser::parse_xls;
 
 fn main() {
-    let groups = parse_xls(Path::new("./schedule.xls"));
+    let (teachers, groups) = parse_xls(Path::new("./schedule.xls"));
 
     fs::write(
         "./schedule.json",
         serde_json::to_string_pretty(&groups)
-            .expect("Failed to serialize schedule!")
+            .expect("Failed to serialize schedule")
             .as_bytes(),
     )
     .expect("Failed to write schedule");
+    
+    fs::write(
+        "./teachers.json",
+        serde_json::to_string_pretty(&teachers)
+            .expect("Failed to serialize teachers schedule")
+            .as_bytes(),
+    )
+    .expect("Failed to write teachers schedule");
 }