fix: add root Dockerfile and HF metadata for HuggingFace Space deployment

HF Spaces expects Dockerfile and README metadata at repo root.
Root Dockerfile copies from huggingface-space/ subdirectory.

Dockerfile

@@ -0,0 +1,22 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy only the HuggingFace Space files
+COPY huggingface-space/requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code from huggingface-space subdirectory
+COPY huggingface-space/ .
+
+# Expose port for Hugging Face
+EXPOSE 7860
+
+# Run FastAPI with uvicorn
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]

README.md

@@ -1,3 +1,13 @@
+---
+title: Borsa ML API
+emoji: 📈
+colorFrom: blue
+colorTo: green
+sdk: docker
+pinned: false
+license: mit
+---
+
 # BIST Analiz - Next.js Uygulaması
 
 Modern, performanslı borsa analiz platformu - Next.js 14, Supabase ve TypeScript ile geliştirildi.