Release 0.1

.docker/Dockerfile

-FROM debian:buster-backports
+FROM debian:bullseye
 
 RUN apt-get update
-RUN apt-get install -y cmake/buster-backports
+RUN apt-get install -y cmake
 RUN apt-get install -y lcov
 RUN apt-get install -y doxygen graphviz
 RUN apt-get install -y clang-format-11 clang-tidy-11