Implement installation wizard for comet in devtools

devtools/src/executor.rs

@@ -0,0 +1,19 @@
+use crate::futures::futures::channel::mpsc;
+use crate::runtime::Task;
+
+use std::thread;
+
+pub fn spawn_blocking<T>(
+    f: impl FnOnce(mpsc::Sender<T>) + Send + 'static,
+) -> Task<T>
+where
+    T: Send + 'static,
+{
+    let (sender, receiver) = mpsc::channel(1);
+
+    let _ = thread::spawn(move || {
+        f(sender);
+    });
+
+    Task::stream(receiver)
+}