make the skin renderer less bad (thanks bray)

src/main/java/cc/fascinated/model/response/ErrorResponse.java

@@ -0,0 +1,40 @@
+package cc.fascinated.model.response;
+
+import io.micrometer.common.lang.NonNull;
+import lombok.Getter;
+import lombok.ToString;
+import org.springframework.http.HttpStatus;
+
+import java.util.Date;
+
+@Getter
+@ToString
+public class ErrorResponse {
+    /**
+     * The status code of this error.
+     */
+    @NonNull
+    private final HttpStatus status;
+
+    /**
+     * The HTTP code of this error.
+     */
+    private final int code;
+
+    /**
+     * The message of this error.
+     */
+    @NonNull private final String message;
+
+    /**
+     * The timestamp this error occurred.
+     */
+    @NonNull private final Date timestamp;
+
+    public ErrorResponse(@NonNull HttpStatus status, @NonNull String message) {
+        this.status = status;
+        code = status.value();
+        this.message = message;
+        timestamp = new Date();
+    }
+}