✨(summary) add development stage to summary Docker image for hot reload

Introduce new Docker stage enabling hot reload during active API
development to eliminate rebuild cycles and improve developer workflow
efficiency.

src/summary/Dockerfile

@@ -8,6 +8,14 @@ COPY pyproject.toml .
 
 RUN pip3 install --no-cache-dir .
 
+FROM base AS development
+WORKDIR /app
+
+COPY . .
+RUN pip3 install --no-cache-dir -e ".[dev]" || pip3 install --no-cache-dir -e .
+
+CMD ["uvicorn", "summary.main:app", "--host", "0.0.0.0", "--port", "8000", "--reload"]
+
 FROM base AS production
 
 WORKDIR /app