feat: MiMo Studio Android v1.0.0

- OpenAI-compatible API client for Xiaomi MiMo platform
- Chat completions with streaming support
- Model list browser
- Multi-conversation management
- Settings: API key, base URL, temperature, max tokens
- Material Design 3 UI

API Endpoints:
- GET  /v1/models          - List available models
- GET  /v1/models/{id}     - Get model details
- POST /v1/chat/completions - Chat (stream & non-stream)
- POST /v1/completions     - Text completions (stream & non-stream)

app/src/main/res/values/strings.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">MiMo Studio</string>
+</resources>