Feat: google-translate-tts support

docs/config.md

@@ -96,11 +96,21 @@ This document explains how to set up and configure the application using the `co
 - Enable or disable text-to-speech functionality.
 
 #### TTS_URL (`"http://localhost:8880/v1/audio/speech"`)
-- The endpoint for TTS API.
+- The endpoint for TTS API (used with `kokoro` provider).
 
 #### TTS_SPEED (`1.2`)
 - Playback speed for speech output (1.0 is normal speed).
 
+#### TTS_PROVIDER (`"kokoro"`)
+- TTS provider to use. Options: `"kokoro"` or `"google"`.
+  - `"kokoro"`: Uses Kokoro FastAPI TTS server (requires TTS_URL to be set). Provides high-quality voice synthesis but requires a running Kokoro server.
+  - `"google"`: Uses Google Translate TTS with gopxl/beep for local playback. Works offline using Google's public TTS API with local audio playback via gopxl/beep. Supports multiple languages via TTS_LANGUAGE setting.
+
+#### TTS_LANGUAGE (`"en"`)
+- Language code for TTS (used with `google` provider).
+  - Examples: `"en"` (English), `"es"` (Spanish), `"fr"` (French)
+  - See Google Translate TTS documentation for supported languages.
+
 ### Speech-to-Text (STT) Settings
 
 #### STT_ENABLED (`false`)

docs/tutorial_rp.md

@@ -1,5 +1,7 @@
-after [installing](https://github.com/GrailFinder/gf-lt/tree/master?tab=readme-ov-file#how-to-install)
-[set up your config](config.md)
+### RP case example
+
+check the (https://github.com/GrailFinder/gf-lt/tree/master?tab=readme-ov-file#how-to-install) and
+[setting up your config](config.md)
 
 To roleplay, we would need to create a character card or get one from the web.
 For this tutorial, we are going to use the default character Seraphina from [SillyTavern (ST)](https://github.com/SillyTavern/SillyTavern/blob/release/default/content/default_Seraphina.png).