Add a prelude for userland

Users can now import all of a prelude via `use serenity::prelude::*;`,
which should provide some helpful stuff. As such, the internal
prelude is now named `serenity::prelude_internal`, and all internal uses
have been adjusted.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 337bee8..92d27f8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -96,10 +96,11 @@ pub mod builder;
 pub mod client;
 pub mod ext;
 pub mod model;
+pub mod prelude;
 
 mod constants;
 mod error;
-mod prelude;
+mod prelude_internal;
 
 pub use client::Client;
 pub use error::{Error, Result};