feat: add common queue

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/churn/src/agent/scheduler.rs

@@ -0,0 +1,22 @@
+use super::{handlers::scheduled_tasks::ScheduledTasks, models::Commands};
+
+#[derive(Clone)]
+pub struct Scheduler {
+    scheduled_tasks: ScheduledTasks,
+}
+
+impl Scheduler {
+    pub fn new(scheduled_tasks: ScheduledTasks) -> Self {
+        Self { scheduled_tasks }
+    }
+
+    pub async fn handle(&self, command: Commands) -> anyhow::Result<()> {
+        match command {
+            Commands::ScheduleTask { task, properties } => {
+                self.scheduled_tasks.handle(&task, properties).await?;
+            }
+        }
+
+        Ok(())
+    }
+}