feat: 악기 브랜드,모델 엔티티 생성

src/main/java/com/ajou/hertz/domain/instrument/entity/InstrumentBrand.java

@@ -0,0 +1,31 @@
+package com.ajou.hertz.domain.instrument.entity;
+
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Entity
+@Table(name = "instrument_brand")
+public class InstrumentBrand {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(nullable = false)
+    private Long id;
+
+    @Column(nullable = false)
+    private String name;
+
+
+}

src/main/java/com/ajou/hertz/domain/instrument/entity/InstrumentModel.java

@@ -0,0 +1,35 @@
+package com.ajou.hertz.domain.instrument.entity;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.FetchType;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Entity
+@Table(name = "instrument_model")
+public class InstrumentModel {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "instrument_model_id", nullable = false)
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "instrument_brand_id", nullable = false)
+    private InstrumentBrand instrumentBrand;
+
+    @Column(nullable = false)
+    private String name;
+}