feat: implement asynchronous channel support with tokio integration

src/asynchronous/traits.rs

@@ -0,0 +1,27 @@
+use async_trait::async_trait;
+
+pub use crate::error::Error as ChannelError;
+
+#[async_trait]
+pub trait AsyncChannelSender<T>: Send + Sync {
+    async fn send(&self, msg: T) -> Result<(), ChannelError>;
+}
+
+#[async_trait]
+pub trait AsyncChannelReceiver<T>: Send + Sync {
+    async fn recv(&self) -> Result<T, ChannelError>;
+}
+
+pub trait AsyncChannelType {
+    type Sender<T: Send + 'static>: AsyncChannelSender<T>;
+    type Receiver<T: Send + 'static>: AsyncChannelReceiver<T>;
+
+    fn create_request_channel() -> (
+        Self::Sender<crate::types::Request>,
+        Self::Receiver<crate::types::Request>,
+    );
+    fn create_response_channel<T: Send + 'static>() -> (
+        Self::Sender<crate::types::Response<T>>,
+        Self::Receiver<crate::types::Response<T>>,
+    );
+}