Added support for defining macros in Rust within the macro system

Also fixed a lot of bugs

orchid-host/src/ctx.rs

@@ -3,7 +3,7 @@ use std::num::{NonZero, NonZeroU16};
 use std::rc::{Rc, Weak};
 use std::{fmt, ops};
 
-use async_lock::RwLock;
+use futures_locks::RwLock;
 use hashbrown::HashMap;
 use orchid_base::builtin::Spawner;
 use orchid_base::interner::Interner;