Added backend control plane implementation #1860

Job	Run time
Check Docker image (Debug)	4m 57s
Check codespell conformance	1m 26s
Check Docker image (Release)	4m 56s
Check tests clang-format conformance	15s
Check src clang-format conformance	27s
Build Debug with g++-12	2m 17s
Build Debug with clang-13	1m 53s
Build Debug with g++-13	3m 5s
Build Debug with clang-17	2m 12s
Build Debug with clang-15	2m 44s
Build Release with g++-9	3m 51s
Build Debug with g++-9	2m 2s
Build Debug with clang-14	2m 30s
Build Debug with clang-16	2m 36s
Build Debug with g++-10	2m 6s
Build Release with clang-14	2m 24s
Build Release with clang-13	2m 16s
Build Release with g++-11	2m 32s
Build Release with clang-16	2m 13s
Build Release with g++-10	2m 28s
Build Release with g++-12	2m 39s
Build Debug with clang-18	2m 8s
Build Release with clang-15	2m 15s
Build Release with g++-13	3m 13s
Build Release with clang-17	2m 26s
Build Release with clang-18	2m 31s
Build Debug with g++-11	2m 14s
Codecov report upload	1s
	1h 6m 37s

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