Add passive tracers documentation #337

Job	Run time
Julia 1.10 - ubuntu-latest - x64 - pull_request	5m 2s
Julia 1.10 - macOS-latest - x64 - pull_request	6m 44s
Julia 1.10 - macos-14 - x64 - pull_request	6m 44s
Julia 1.10 - windows-latest - x64 - pull_request	6m 25s
Julia ~1.11.0-0 - ubuntu-latest - x64 - pull_request	6m 41s
Julia ~1.11.0-0 - macOS-latest - x64 - pull_request	6m 46s
Julia ~1.11.0-0 - macos-14 - x64 - pull_request	6m 46s
Julia ~1.11.0-0 - windows-latest - x64 - pull_request	6m 41s
Julia nightly - ubuntu-latest - x64 - pull_request	6m 42s
Julia nightly - macOS-latest - x64 - pull_request	1s
Julia nightly - macos-14 - x64 - pull_request	6m 42s
Julia nightly - windows-latest - x64 - pull_request	6m 40s
	1h 11m 54s

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