feat: enhance UI with MUI and Tailwind integration

- Updated `package.json` to include new dependencies: Emotion, MUI Joy, Lucide React, and Tailwind CSS.
- Refactored `src/App.tsx` to implement a new layout with a sidebar and chat interface using MUI components.
- Added Tailwind CSS import in `src/App.css` for styling.
- Improved user interaction elements with icons and tooltips for a better user experience.

src-python/modelConfig.yaml

@@ -0,0 +1,14 @@
+models:
+  lfm_2.5_1.2b:
+    repo_id: "LiquidAI/LFM2.5-1.2B-Instruct-GGUF"
+    filename: "LFM2.5-1.2B-Instruct-Q6_K.gguf"
+    context_window: 2048
+    temperature: 0.1
+    max_tokens: 512
+    type: "llama-cpp"
+
+# Exemplo de futura expansão
+# phi3_mini:
+#   repo_id: "microsoft/Phi-3-mini-4k-instruct-gguf"
+#   filename: "Phi-3-mini-4k-instruct-q4.gguf"
+#   type: "llama-cpp"