feat(core): Make Redis available for backend communication (#6719)

* support redis cluster

* cleanup, fix config schema

* set default prefix to bull

* initial commit

* improve logging

* improve types and refactor

* list support and refactor

* fix redis service and tests

* add comment

* add redis and cache prefix

* use injection

* lint fix

* clean schema comments

* improve naming, tests, cluster client

* merge master

* cache returns unknown instead of T

* update cache service, tests and doc

* remove console.log

* do not cache null or undefined values

* fix merge

* lint fix

packages/cli/src/services/redis/RedisServiceCommands.ts

@@ -0,0 +1,22 @@
+export type RedisServiceCommand = 'getStatus' | 'restartEventBus' | 'stopWorker'; // TODO: add more commands
+
+/**
+ * An object to be sent via Redis pub/sub from the main process to the workers.
+ * @field command: The command to be executed.
+ * @field targets: The targets to execute the command on. Leave empty to execute on all workers or specify worker ids.
+ * @field args: Optional arguments to be passed to the command.
+ */
+type RedisServiceBaseCommand = {
+	command: RedisServiceCommand;
+	payload?: {
+		[key: string]: string | number | boolean | string[] | number[] | boolean[];
+	};
+};
+
+export type RedisServiceWorkerResponseObject = {
+	workerId: string;
+} & RedisServiceBaseCommand;
+
+export type RedisServiceCommandObject = {
+	targets?: string[];
+} & RedisServiceBaseCommand;