Added the ability to create animated sticker sets by specifying the parameter tgs_sticker instead of png_sticker in the method createNewStickerSet

Author: pengrad

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

@@ -9,8 +9,16 @@
  */
 public class CreateNewStickerSet extends AbstractUploadRequest<CreateNewStickerSet, BaseResponse> {
 
+    public static CreateNewStickerSet tgsSticker(Integer userId, String name, String title, String emojis, Object tgsSticker) {
+        return new CreateNewStickerSet(userId, name, title, emojis, "tgs_sticker", tgsSticker);
+    }
+
     public CreateNewStickerSet(Integer userId, String name, String title, Object pngSticker, String emojis) {
-        super(BaseResponse.class, "png_sticker", pngSticker);
+        this(userId, name, title, emojis, "png_sticker", pngSticker);
+    }
+
+    private CreateNewStickerSet(Integer userId, String name, String title, String emojis, String stickerParam, Object sticker) {
+        super(BaseResponse.class, stickerParam, sticker);
         add("user_id", userId);
         add("name", name);
         add("title", title);

library/src/test/java/com/pengrad/telegrambot/TelegramBotTest.java

@@ -331,7 +331,7 @@ public void getMe() {
     @Test
     public void getUpdates() {
         GetUpdates getUpdates = new GetUpdates()
-                .offset(874203582)
+                .offset(874204133)
                 .allowedUpdates("")
                 .timeout(0)
                 .limit(100);
@@ -1344,6 +1344,15 @@ public void createNewStickerSet() {
         assertTrue(response.isOk());
     }
 
+    @Test
+    public void createNewStickerSetTgs() {
+        BaseResponse response = bot.execute(
+                CreateNewStickerSet.tgsSticker(
+                        chatId, "test" + System.currentTimeMillis() + "_by_pengrad_test_bot",
+                        "test1", "\uD83D\uDE00", stickerFileAnim));
+        assertTrue(response.isOk());
+    }
+
     @Test
     public void addStickerToSet() {
         BaseResponse response = bot.execute(