feat(creation): implement file-based collection strategy

- add file settings to FileFillStrategy
- read students from CSV using StudentCsvReader
- create collection from file data
- handle file reading errors

app/src/main/java/ru/project/ui/creation/file/FileFillStrategy.java

@@ -1,19 +1,37 @@
 package ru.project.ui.creation.file;
 
+import java.io.IOException;
+import java.nio.file.Path;
+import ru.project.collection.MyLinkedList;
 import ru.project.collection.MyList;
+import ru.project.io.StudentCsvReader;
 import ru.project.student.Student;
 import ru.project.ui.creation.FillStrategy;
 
 public class FileFillStrategy implements FillStrategy {
 
-  // private final FileFillSettings settings;
+  private final FileFillSettings settings;
 
   public FileFillStrategy(FileFillSettings settings) {
-    // this.settings = settings;
+    this.settings = settings;
   }
 
   @Override
   public MyList<Student> create() {
-    return null;
+    MyList<Student> collection = new MyLinkedList<>();
+
+    Path path = Path.of(settings.getAbsoluteFilePath());
+
+    try (StudentCsvReader reader = new StudentCsvReader(path)) {
+
+      while (reader.hasNext()) {
+        collection.add(reader.next());
+      }
+
+    } catch (IOException e) {
+      throw new RuntimeException("Не удалось прочитать коллекцию из файла.", e);
+    }
+
+    return collection;
   }
 }