Add CpuAsset model and CpuRepository for CPU asset management

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

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+package be.seeseepuff.pcinv.models;
+
+import be.seeseepuff.pcinv.meta.*;
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.Setter;
+
+/**
+ * Represents a CPU or similar device.
+ */
+@Getter
+@Setter
+@Entity
+@AssetInfo(
+		displayName = "Central Processing Unit",
+		pluralName = "Central Processing Units",
+		type = "cpu"
+)
+@Table(name = "cpu_assets")
+public class CpuAsset implements Asset
+{
+	@Id
+	@GeneratedValue
+	private long id;
+
+	@OneToOne(orphanRemoval = true)
+	private GenericAsset asset;
+
+	@Description("The number of cores in the CPU.")
+	@Property("Cores")
+	private int cores;
+
+	@Description("The number of threads in the CPU.")
+	@Property("Threads")
+	private int threads;
+
+	@Description("The base clock speed of the CPU in MHz.")
+	@Property("Base Clock Speed (MHz)")
+	private int baseClockSpeed;
+
+	@Description("The boost clock speed of the CPU in MHz.")
+	@Property("Boost Clock Speed (MHz)")
+	@HideInOverview
+	private int boostClockSpeed;
+
+	@Description("The thermal design power (TDP) of the CPU in watts.")
+	@Property("Thermal Design Power (TDP) (W)")
+	private int tdp;
+
+	@Description("The socket type of the CPU.")
+	@Property("Socket Type")
+	@InputList
+	private String socketType;
+
+	@Description("The architecture of the CPU, e.g., x86, ARM, etc.")
+	@Property("Architecture")
+	@HideInOverview
+	@InputList
+	private String architecture;
+
+	@Description("The manufacturing process of the CPU in nanometers.")
+	@Property("Manufacturing Process (nm)")
+	@HideInOverview
+	private int manufacturingProcess;
+}

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

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