add tracker server, esm, refactor

src/services/transmission-container.ts

@@ -0,0 +1,25 @@
+import { DockerContainer } from './docker';
+import { settings } from '../settings';
+import { kvDataStorage } from './kv-data-storage';
+import { notificationService } from './notification';
+
+export class TransmissionContainer extends DockerContainer {
+  constructor() {
+    super(
+      settings.dockerTransmission.service,
+      settings.dockerTransmission.cwd,
+      settings.dockerTransmission.serviceName
+    );
+  }
+
+  async downTransmission(reason: string) {
+    console.log(reason);
+
+    await kvDataStorage.set({ isServiceRunning: false });
+    await notificationService.sendNotification(reason, true);
+
+    return await this.down();
+  }
+}
+
+export const transmissionContainer = new TransmissionContainer();