style(code): unify formatting across io and search components

app/src/main/java/ru/project/search/AverageGradeRangeCriteria.java

@@ -3,20 +3,20 @@ package ru.project.search;
 import ru.project.student.Student;
 
 public class AverageGradeRangeCriteria implements StudentSearchCriteria {
-    private final double min;
-    private final double max;
+  private final double min;
+  private final double max;
 
-    public AverageGradeRangeCriteria(double min, double max) {
-        if (min > max) {
-            throw new IllegalArgumentException("Min grade must be <= max grade");
-        }
-        this.min = min;
-        this.max = max;
+  public AverageGradeRangeCriteria(double min, double max) {
+    if (min > max) {
+      throw new IllegalArgumentException("Min grade must be <= max grade");
     }
+    this.min = min;
+    this.max = max;
+  }
 
-    @Override
-    public boolean matches(Student student) {
-        double grade = student.getAverageGrade();
-        return grade >= min && grade <= max;
-    }
-}
+  @Override
+  public boolean matches(Student student) {
+    double grade = student.getAverageGrade();
+    return grade >= min && grade <= max;
+  }
+}