Adds build setup and layout features.

README.md

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docs/developer/build-cpp.md

docs/developer/build-python.md

docs/developer/contribute.md

docs/developer/environment-cpp.md

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docs/developer/ide-setup.md

docs/developer/including-libraries.md

docs/developer/prerequisites.md

docs/developer/style/cpp.md

docs/developer/style/python.md

docs/index.md

docs/modules/additional-software.md

docs/modules/libraries.md