chore(vendor): add anyhow crate

third_party/crates/clap-4.6.7/examples/multicall-hostname.md

@@ -0,0 +1,10 @@
+See the documentation for [`Command::multicall`][crate::Command::multicall] for rationale.
+
+This example omits the implementation of displaying address config
+
+```console
+$ hostname
+www
+
+```
+*Note: without the links setup, we can't demonstrate the multicall behavior*