Fixes #115: By introducing MQ workers

plug-api/mq.ts

@@ -0,0 +1,6 @@
+export type Message = {
+  id: string;
+  queue: string;
+  body: any;
+  retries?: number;
+};

plug-api/plugos-syscall/mod.ts

@@ -3,4 +3,5 @@ export * as events from "./event.ts";
 export * as shell from "./shell.ts";
 export * as store from "./store.ts";
 export * as YAML from "./yaml.ts";
+export * as mq from "./mq.ts";
 export * from "./syscall.ts";

plug-api/plugos-syscall/mq.ts

@@ -0,0 +1,17 @@
+import { syscall } from "$sb/plugos-syscall/syscall.ts";
+
+export function send(queue: string, body: any) {
+  return syscall("mq.send", queue, body);
+}
+
+export function batchSend(queue: string, bodies: any[]) {
+  return syscall("mq.batchSend", queue, bodies);
+}
+
+export function ack(queue: string, id: string) {
+  return syscall("mq.ack", queue, id);
+}
+
+export function batchAck(queue: string, ids: string[]) {
+  return syscall("mq.batchAck", queue, ids);
+}