Add swap placement tool #1511

Job	Run time
stylecheck	1m 0s
build-debug	23m 54s
build-arch (all)	22m 35s
build-arch (horizon.so)	6m 4s
build (ubuntu:focal, g++, gcc, all)	23m 13s
build-pr-review	5m 52s
build-opensuse (all)	22m 25s
build (ubuntu:focal, g++, gcc, horizon.so)	7m 23s
build-opensuse (horizon.so)	9m 59s
build (ubuntu:jammy, g++, gcc, all)	20m 20s
build (ubuntu:jammy, g++, gcc, horizon.so)	7m 29s
build (ubuntu:lunar, g++, gcc, all)	31m 51s
build (ubuntu:lunar, g++, gcc, horizon.so)	6m 53s
build (debian:bullseye, g++, gcc, all)	28m 14s
build (debian:bullseye, g++, gcc, horizon.so)	6m 24s
build (debian:bookworm, clang, clang, all)	24m 0s
build (debian:bookworm, clang, clang, horizon.so)	8m 41s
build (debian:bookworm, g++, gcc, all)	23m 6s
build (debian:bookworm, g++, gcc, horizon.so)	8m 7s
	4h 47m 30s

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