Added the method getCustomEmojiStickers

Author: mircoianese

library/src/main/java/com/pengrad/telegrambot/request/GetCustomEmojiStickers.java

@@ -0,0 +1,15 @@
+package com.pengrad.telegrambot.request;
+
+import com.pengrad.telegrambot.response.GetCustomEmojiStickersResponse;
+
+/**
+ * Mirco Ianese
+ * 16 Aug 2022
+ */
+public class GetCustomEmojiStickers extends BaseRequest<GetCustomEmojiStickers, GetCustomEmojiStickersResponse> {
+
+    public GetCustomEmojiStickers(String... custom_emoji_ids) {
+        super(GetCustomEmojiStickersResponse.class);
+        add("custom_emoji_ids", custom_emoji_ids);
+    }
+}

library/src/main/java/com/pengrad/telegrambot/response/GetCustomEmojiStickersResponse.java

@@ -0,0 +1,25 @@
+package com.pengrad.telegrambot.response;
+
+import java.util.Arrays;
+
+import com.pengrad.telegrambot.model.Sticker;
+
+/**
+ * Mirco Ianese
+ * 16 Aug 2022
+ */
+public class GetCustomEmojiStickersResponse extends BaseResponse {
+
+    private Sticker[] result;
+
+    public Sticker[] result() {
+        return result;
+    }
+
+    @Override
+    public String toString() {
+        return "GetCustomEmojiStickersResponse{" +
+                "result=" + Arrays.toString(result) +
+                '}';
+    }
+}