Added Dockerfile for vanilla datasette installation

Dockerfile

@@ -0,0 +1,16 @@
+FROM python:3.11
+
+WORKDIR /code
+
+COPY ./requirements.txt /code/requirements.txt
+
+RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+
+ADD https://static.simonwillison.net/static/2023/history.db /code/history.db
+
+RUN sqlite-utils tables /code/history.db --counts
+RUN chmod 755 /code/history.db
+
+COPY ./metadata.yml /code/metadata.yml
+
+CMD ["datasette", "/code/history.db", "-m", "/code/metadata.yml", "--host", "0.0.0.0", "--port", "7860"]