pidgin/builders

Move all of the individual build scripts to the main directory and some other cleanups
FROM pidgin/builders:debian-bullseye-amd64
ENV TARGET=clang
RUN set -ex && \
apt-get update && \
apt-get install -y --no-install-recommends clang && \
apt-get clean && \
rm -rf /var/lib/apt/lists
ENV CC=clang CXX=clang++
CMD ["build.sh"]