fix: starter pack live api missing dockerfile (#1658)

Co-authored-by: Holt Skinner <[email protected]>

gemini/sample-apps/e2e-gen-ai-app-starter-pack/app/patterns/multimodal_live_agent/Dockerfile

@@ -0,0 +1,17 @@
+FROM python:3.11-slim
+
+RUN pip install  --no-cache-dir poetry==1.6.1
+
+RUN poetry config virtualenvs.create false
+
+WORKDIR /code
+
+COPY ./pyproject.toml ./README.md ./poetry.lock* ./
+
+COPY ./app ./app
+
+RUN poetry install  --no-interaction --no-ansi --no-dev
+
+EXPOSE 8080
+
+CMD ["uvicorn", "app.server:app", "--host", "0.0.0.0", "--port", "8080"]