feat(iroh): add node wide default author for documents #8402

Job	Run time
Cross compile (i686-unknown-linux-gnu)	2m 34s
Cross compile (armv7-linux-androideabi)	1m 4s
Build wasm32	29s
Cross compile (aarch64-linux-android)	59s
Checking docs	1m 6s
Checking fmt	10s
check_semver	4m 1s
clippy_check	2m 49s
cargo deny	30s
Minimal Supported Rust Version	1m 44s
Run network simulations/benchmarks	7m 42s
CI Test Suite / Tests (ubuntu-latest, stable, all)	3m 33s
CI Test Suite / Tests (ubuntu-latest, stable, none)	2m 53s
CI Test Suite / Tests (ubuntu-latest, stable, default)	2m 13s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	3m 9s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	2m 54s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	3m 51s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	3m 0s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	4m 1s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	3m 51s
	52m 33s

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