add server pinger

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

@@ -1,29 +0,0 @@
-package cc.fascinated.model.response;
-
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-import org.springframework.http.HttpStatus;
-import org.springframework.http.ResponseEntity;
-
-@Getter @AllArgsConstructor
-public class Response {
-
-    /**
-     * The status code of this error.
-     */
-    private HttpStatus status;
-
-    /**
-     * The message of this error.
-     */
-    private String message;
-
-    /**
-     * Gets this response as a {@link ResponseEntity}.
-     *
-     * @return the response entity
-     */
-    public ResponseEntity<?> toResponseEntity() {
-        return new ResponseEntity<>(this, status);
-    }
-}

src/main/java/cc/fascinated/model/response/impl/InvalidPartResponse.java

@@ -1,11 +0,0 @@
-package cc.fascinated.model.response.impl;
-
-import cc.fascinated.model.response.Response;
-import org.springframework.http.HttpStatus;
-
-public class InvalidPartResponse extends Response {
-
-    public InvalidPartResponse() {
-        super(HttpStatus.NOT_FOUND, "Invalid part name.");
-    }
-}

src/main/java/cc/fascinated/model/response/impl/PlayerNotFoundResponse.java

@@ -1,11 +0,0 @@
-package cc.fascinated.model.response.impl;
-
-import cc.fascinated.model.response.Response;
-import org.springframework.http.HttpStatus;
-
-public class PlayerNotFoundResponse extends Response {
-
-    public PlayerNotFoundResponse() {
-        super(HttpStatus.NOT_FOUND, "Player not found.");
-    }
-}