Release v2.1.1: Token Handling Improvement and DeepSeek Support

- Completely reworked token handling mechanism
- Removed custom token calculation logic
- Direct max_tokens passing to LLM APIs
- Added support for DeepSeek provider
- Integrated deepseek-chat and deepseek-reasoner models

Thanks to @estiens for reporting token handling issues and providing valuable feedback (https://github.com/smkrv/ha-text-ai/issues/1).

custom_components/ha_text_ai/manifest.json

@@ -23,6 +23,6 @@
   "single_config_entry": false,
   "ssdp": [],
   "usb": [],
-  "version": "2.1.0",
+  "version": "2.1.1",
   "zeroconf": []
 }