cdop/repo: General FOSS monorepo, for everything that is not a readily importable go module. Each top level folder is a library/project/thing on its own and is shared under the terms of its own license. @ 7591b91857b4b4733cb0c96e66cd547a6cfe4fa1

Davide 0ad5d2e334 cpp-knobs: added to repo		1 anno fa
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img	0ad5d2e334 cpp-knobs: added to repo	1 anno fa