feat: include DimSim #1115

Job	Run time
md-babel	14s
self-hosted-tests (self-hosted, Linux, ghcr.io/dimensionalos/ros-dev:dev, self_hosted or skipif_n...	26s
lint	34s
tests (3.11, ubuntu, false)	1m 7s
tests (3.10, ubuntu, false)	1m 8s
tests (3.13, ubuntu, false)	1m 7s
self-hosted-tests (self-hosted, macos, arm64, self_hosted, true)	22s
tests (3.12, ubuntu, false)	22s
tests (ubuntu, 3.14t, false)	14s
tests (3.14, ubuntu, false)	1m 7s
ci-complete	6s
fail-fast	1s
	6m 48s

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