Add a prelude module for star imports

rust-bindings/rust/conf/libostree.toml

@@ -18,8 +18,6 @@ manual = [
     "GLib.Variant",
     "Gio.Cancellable",
     "Gio.File",
-
-    #"OSTree.RepoCheckoutAtOptions",
 ]
 
 [[object]]

rust-bindings/rust/libostree/src/lib.rs

@@ -7,7 +7,12 @@ extern crate gobject_sys as gobject_ffi;
 extern crate glib;
 extern crate gio;
 
-pub use glib::Error;
+use glib::Error;
 
+// re-exports
 mod auto;
 pub use auto::*;
+
+// public modules
+pub mod prelude;
+pub use prelude::*;

rust-bindings/rust/libostree/src/prelude.rs

@@ -0,0 +1 @@
+pub use traits::*;