[pbs-devel] [PATCH v2 proxmox-backup 3/4] rustdoc: add crate level doc

[Stefan Reiter <s.reiter@proxmox.com>]

Contains a link to the 'backup' module's doc, as that explains a lot
about the inner workings of PBS and probably marks a good entry point
for new readers.

Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
---

v2:
* unchanged

 src/lib.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index c44c9ae1..cc51b2e0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,8 @@
+//! See the different modules for documentation on their usage.
+//!
+//! The [backup](backup/index.html) module contains some detailed information
+//! on the inner workings of the backup server regarding data storage.
+
 pub mod task;
 
 #[macro_use]
-- 
2.20.1