Why:
Allowing the async client to utilize incoming text streams when generating voice.
Very useful when feeding the realtime output of an LLM into the TTS.

Closes elevenlabs#344

What:
1. Copied `RealtimeTextToSpeechClient` and `text_chunker` into `AsyncRealtimeTextToSpeechClient` and `async_text_chunker`
   Most of the logic is intact, aside from async stuff
2. Added `AsyncRealtimeTextToSpeechClient` into `AsyncElevenLabs` just like `RealtimeTextToSpeechClient` is in `ElevenLabs`
3. Added rudimentary testing

The code is basically a copy-paste of what I found in the repo. We can rewrite it to be more elegant, but I figured parity with the sync code is more important.

Why:
Allowing the async client to utilize incoming text streams when generating voice.
Very useful when feeding the realtime output of an LLM into the TTS.

Closes elevenlabs#344

What:
1. Copied `RealtimeTextToSpeechClient` and `text_chunker` into `AsyncRealtimeTextToSpeechClient` and `async_text_chunker`
   Most of the logic is intact, aside from async stuff
2. Added `AsyncRealtimeTextToSpeechClient` into `AsyncElevenLabs` just like `RealtimeTextToSpeechClient` is in `ElevenLabs`
3. Added rudimentary testing

The code is basically a copy-paste of what I found in the repo. We can rewrite it to be more elegant, but I figured parity with the sync code is more important.

Why:
Allowing the async client to utilize incoming text streams when generating voice.
Very useful when feeding the realtime output of an LLM into the TTS.

Closes elevenlabs#344

What:
1. Copied `RealtimeTextToSpeechClient` and `text_chunker` into `AsyncRealtimeTextToSpeechClient` and `async_text_chunker`
   Most of the logic is intact, aside from async stuff
2. Added `AsyncRealtimeTextToSpeechClient` into `AsyncElevenLabs` just like `RealtimeTextToSpeechClient` is in `ElevenLabs`
3. Added rudimentary testing

The code is basically a copy-paste of what I found in the repo. We can rewrite it to be more elegant, but I figured parity with the sync code is more important.

Why:
Allowing the async client to utilize incoming text streams when generating voice.
Very useful when feeding the realtime output of an LLM into the TTS.

Closes elevenlabs#344

What:
1. Copied `RealtimeTextToSpeechClient` and `text_chunker` into `AsyncRealtimeTextToSpeechClient` and `async_text_chunker`
   Most of the logic is intact, aside from async stuff
2. Added `AsyncRealtimeTextToSpeechClient` into `AsyncElevenLabs` just like `RealtimeTextToSpeechClient` is in `ElevenLabs`
3. Added rudimentary testing

The code is basically a copy-paste of what I found in the repo. We can rewrite it to be more elegant, but I figured parity with the sync code is more important.

Why:
Allowing the async client to utilize incoming text streams when generating voice.
Very useful when feeding the realtime output of an LLM into the TTS.

Closes elevenlabs#344

What:
1. Copied `RealtimeTextToSpeechClient` and `text_chunker` into `AsyncRealtimeTextToSpeechClient` and `async_text_chunker`
   Most of the logic is intact, aside from async stuff
2. Added `AsyncRealtimeTextToSpeechClient` into `AsyncElevenLabs` just like `RealtimeTextToSpeechClient` is in `ElevenLabs`
3. Added rudimentary testing

The code is basically a copy-paste of what I found in the repo. We can rewrite it to be more elegant, but I figured parity with the sync code is more important.

Why:
Allowing the async client to utilize incoming text streams when generating voice.
Very useful when feeding the realtime output of an LLM into the TTS.

Closes elevenlabs#344

What:
1. Copied `RealtimeTextToSpeechClient` and `text_chunker` into `AsyncRealtimeTextToSpeechClient` and `async_text_chunker`
   Most of the logic is intact, aside from async stuff
2. Added `AsyncRealtimeTextToSpeechClient` into `AsyncElevenLabs` just like `RealtimeTextToSpeechClient` is in `ElevenLabs`
3. Added rudimentary testing

The code is basically a copy-paste of what I found in the repo. We can rewrite it to be more elegant, but I figured parity with the sync code is more important.