docs and pub

Signed-off-by: Adam Gutglick <adam@spiraldb.com>

Author: AdamGS

vortex-io/src/runtime/handle.rs

@@ -92,7 +92,11 @@ impl Handle {
     }
 
     /// Spawn a new I/O future onto the runtime.
-    pub(crate) fn spawn_io<Fut, R>(&self, f: Fut) -> Task<R>
+    ///
+    /// See [`Executor::spawn_io`] for more details about how this future is expected to run.
+    ///
+    // See [`Task`] for details on cancelling or detaching the spawned task.
+    pub fn spawn_io<Fut, R>(&self, f: Fut) -> Task<R>
     where
         Fut: Future<Output = R> + Send + 'static,
         R: Send + 'static,