rust: document manual configuration for rustfmt

Currently, rustfmt requires to be enabled per repository. Add a comment
near the current project allowed_list as a reminder.

Test: None
Bug: 160223496
Change-Id: Iecf8d5b693620541a00d8ddc905549652025eed9

parent d2ff0871

rust/config/allowed_list.go

+4 −0

Original line number	Diff line number	Diff line
		package config

		var (
		// When adding a new path below, add a rustfmt.toml file at the root of
		// the repository and enable the rustfmt repo hook. See aosp/1347562
		// for an example.
		// TODO(b/160223496): enable rustfmt globally.
		RustAllowedPaths = []string{
		"external/minijail",
		"external/rust",