wip: work on scheduler, async, coroutines, and merge scope into context

packages/core/src/coroutines.rs

@@ -0,0 +1,17 @@
+//! Coroutines are just a "futures unordered" buffer for tasks that can be submitted through the use_coroutine hook.
+//!
+//! The idea here is to move *coroutine* support as a layer on top of *tasks*
+
+use futures_util::{stream::FuturesUnordered, Future};
+
+pub struct CoroutineScheduler {
+    futures: FuturesUnordered<Box<dyn Future<Output = ()>>>,
+}
+
+impl CoroutineScheduler {
+    pub fn new() -> Self {
+        CoroutineScheduler {
+            futures: FuturesUnordered::new(),
+        }
+    }
+}