Add autogenerated docs for types and methods

docs/api/methods/add_sticker_to_set.md

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+# addStickerToSet
+
+## Description
+
+Use this method to add a new sticker to a set created by the bot. Returns True on success.
+
+
+## Arguments
+
+| Name | Type | Description |
+| - | - | - |
+| `user_id` | `#!python3 int` | User identifier of sticker set owner |
+| `name` | `#!python3 str` | Sticker set name |
+| `png_sticker` | `#!python3 Union[InputFile, str]` | Png image with the sticker, must be up to 512 kilobytes in size, dimensions must not exceed 512px, and either width or height must be exactly 512px. Pass a file_id as a String to send a file that already exists on the Telegram servers, pass an HTTP URL as a String for Telegram to get a file from the Internet, or upload a new one using multipart/form-data. |
+| `emojis` | `#!python3 str` | One or more emoji corresponding to the sticker |
+| `mask_position` | `#!python3 Optional[MaskPosition]` | Optional. A JSON-serialized object for position where the mask should be placed on faces |
+
+
+
+## Response
+
+Type: `#!python3 bool`
+
+Description: Returns True on success.
+
+
+## Usage
+
+
+### As bot method bot
+
+```python3
+result: bool = await bot.add_sticker_to_set(...)
+```
+
+### Method as object
+
+Imports:
+
+- `from aiogram.types import AddStickerToSet`
+- `from aiogram.api.types import AddStickerToSet`
+- `from aiogram.api.types.add_sticker_to_set import AddStickerToSet`
+
+#### As reply into Webhook
+```python3
+return AddStickerToSet(...)
+```
+
+#### With specific bot
+```python3
+result: bool = await bot.emit(AddStickerToSet(...))
+```
+
+#### In handlers with current bot
+```python3
+result: bool = await AddStickerToSet(...)
+```
+
+
+## Related pages:
+
+- [Official documentation](https://core.telegram.org/bots/api#addstickertoset)
+- [aiogram.types.InputFile](../types/input_file.md)
+- [aiogram.types.MaskPosition](../types/mask_position.md)