Add Chassis asset model and repository; define properties and metadata

src/main/java/be/seeseepuff/pcinv/models/ChassisAsset.java

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+package be.seeseepuff.pcinv.models;
+
+import be.seeseepuff.pcinv.meta.AssetInfo;
+import be.seeseepuff.pcinv.meta.Description;
+import be.seeseepuff.pcinv.meta.HideInOverview;
+import be.seeseepuff.pcinv.meta.Property;
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+@Entity
+@AssetInfo(
+		displayName = "Chassis",
+		pluralName = "Chassis",
+		type = "chassis"
+)
+@Table(name = "chassis_assets")
+public class ChassisAsset implements Asset
+{
+	@Id
+	@GeneratedValue
+	private long id;
+
+	/// The generic asset associated with this RAM.
+	@OneToOne(orphanRemoval = true)
+	private GenericAsset asset;
+
+	@Description("The number of 5.25\" drive bays in the chassis.")
+	@Property("5.25\" Bays")
+	@HideInOverview
+	private Long bay5_25Count;
+
+	@Description("The number of 3.5\" drive bays in the chassis.")
+	@Property("3.5\" Bays")
+	private Long bay3_5Count;
+
+	@Description("The number of internal 3.5\" drive bays in the chassis.")
+	@Property("Internal 3.5\" Bays")
+	private Long internalBay3_5Count;
+
+	@Description("The number of 2.5\" drive bays in the chassis.")
+	@Property("2.5\" Bays")
+	private Long bay2_5Count;
+
+	@Description("The number of expansion slots in the chassis.")
+	@Property("Expansion Slots")
+	private Long expansionSlotCount;
+}

src/main/java/be/seeseepuff/pcinv/repositories/ChassisRepository.java

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+package be.seeseepuff.pcinv.repositories;
+
+import be.seeseepuff.pcinv.models.ChassisAsset;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+@SuppressWarnings("unused")
+public interface ChassisRepository extends JpaRepository<ChassisAsset, Long>, AssetRepository<ChassisAsset> {
+    @Override
+    default Class<ChassisAsset> getAssetType() {
+        return ChassisAsset.class;
+    }
+}