Recreate webhooks when they go missing, reuse older webhooks, and initiate connections to Redis cluster

src/state.rs

@@ -18,8 +18,10 @@
 //! }
 //! ```
 
+use deadpool_redis::cluster::Pool;
 use scylla::client::session::Session;
 
 pub struct State {
     pub db: Session,
+    pub redis: Pool,
 }