Merge pull request #184 in ASAPO/asapo from docs to develop

docs/site/versioned_docs/version-21.12.0/overview.md

docs/site/versioned_docs/version-21.12.0/p02.1.md

docs/site/versioned_docs/version-21.12.0/producer-clients.md

docs/site/versioned_examples/version-21.12.0/c/Makefile

docs/site/versioned_examples/version-21.12.0/c/consume.c

docs/site/versioned_examples/version-21.12.0/cleanup.sh

...ite/versioned_examples/version-21.12.0/cpp/CMakeLists.txt

...rsioned_examples/version-21.12.0/cpp/acknowledgements.cpp

docs/site/versioned_examples/version-21.12.0/cpp/consume.cpp

...ersioned_examples/version-21.12.0/cpp/consume_dataset.cpp

.../site/versioned_examples/version-21.12.0/cpp/metadata.cpp

...te/versioned_examples/version-21.12.0/cpp/next_stream.cpp

.../site/versioned_examples/version-21.12.0/cpp/pipeline.cpp

docs/site/versioned_examples/version-21.12.0/cpp/produce.cpp

...ersioned_examples/version-21.12.0/cpp/produce_dataset.cpp

docs/site/versioned_examples/version-21.12.0/cpp/query.cpp

...versioned_examples/version-21.12.0/install_cpp_clients.sh

...ed_examples/version-21.12.0/install_python_clients_pip.sh

...ed_examples/version-21.12.0/install_python_clients_pkg.sh

...ioned_examples/version-21.12.0/python/acknowledgements.py