Rename crates.

Signed-off-by: Jason Volk <jason@zemos.net>

src/admin/appservice/commands.rs

@@ -1,5 +1,5 @@
-use conduwuit::{Err, Result, checked};
 use futures::{FutureExt, StreamExt, TryFutureExt};
+use tuwunel_core::{Err, Result, checked};
 
 use crate::admin_command;
 

src/admin/appservice/mod.rs

@@ -1,7 +1,7 @@
 mod commands;
 
 use clap::Subcommand;
-use conduwuit::Result;
+use tuwunel_core::Result;
 
 use crate::admin_command_dispatch;