Resolve "Add minimal acceptance tests"

Closes #1 (closed)

.devcontainer/Dockerfile

-FROM puppet/pdk:latest
-
-# [Optional] Uncomment this section to install additional packages.
-# RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
-#     && apt-get -y install --no-install-recommends <your-package-list-here>
-