Update README feature description from "Batteries included" to "Fully-featured"

Author: robertpiosik

README.md

@@ -19,7 +19,7 @@ Code Web Chat is a free and open-source (FOSS), independent AI coding toolkit fo
 - APIs—_[Google](https://aistudio.google.com/api-keys), [OpenAI](https://platform.openai.com/api-keys), [OpenRouter](https://openrouter.ai/settings/keys), [local Ollama](https://ollama.com/search), etc._
 
 ✅ **Apply responses**—interactive multi-file changes integration \
-✅ **Batteries included**—code completions, commit messages \
+✅ **Fully-featured**—code completions, commit messages, etc. \
 🌱 **Sustainable**—optimized for [prompt caching](https://platform.openai.com/docs/guides/prompt-caching) across tasks \
 ✋ **Privacy-first**—strict zero telemetry policy