Reorganise calendar module (#6089)

Refactor Calendar into functional sub modules
<img width="437" alt="image"
src="https://github.com/twentyhq/twenty/assets/12035771/d9de3285-a226-4fe8-b3ef-2d8a21def2a5">

---------

Co-authored-by: bosiraphael <raphael.bosi@gmail.com>

packages/twenty-server/src/modules/calendar/calendar-event-import-manager/crons/commands/calendar-events-import.cron.command.ts

@@ -0,0 +1,31 @@
+import { Command, CommandRunner } from 'nest-commander';
+
+import { InjectMessageQueue } from 'src/engine/integrations/message-queue/decorators/message-queue.decorator';
+import { MessageQueue } from 'src/engine/integrations/message-queue/message-queue.constants';
+import { MessageQueueService } from 'src/engine/integrations/message-queue/services/message-queue.service';
+import { CalendarEventsImportCronJob } from 'src/modules/calendar/calendar-event-import-manager/crons/jobs/calendar-events-import.cron.job';
+
+const CALENDAR_EVENTS_IMPORT_CRON_PATTERN = '*/5 * * * *';
+
+@Command({
+  name: 'cron:calendar:calendar-events-import',
+  description: 'Starts a cron job to import calendar events',
+})
+export class CalendarEventsImportCronCommand extends CommandRunner {
+  constructor(
+    @InjectMessageQueue(MessageQueue.cronQueue)
+    private readonly messageQueueService: MessageQueueService,
+  ) {
+    super();
+  }
+
+  async run(): Promise<void> {
+    await this.messageQueueService.addCron<undefined>(
+      CalendarEventsImportCronJob.name,
+      undefined,
+      {
+        repeat: { pattern: CALENDAR_EVENTS_IMPORT_CRON_PATTERN },
+      },
+    );
+  }
+}