feat: add notification microservices and transactional outbox

apps/notification-service/tsconfig.app.json

@@ -0,0 +1,9 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "declaration": false,
+    "outDir": "../../dist/apps/notification-service"
+  },
+  "include": ["src/**/*.ts", "../../src/modules/notifications/**/*.ts", "../../src/common/**/*.ts", "../../libs/**/*.ts"],
+  "exclude": ["node_modules", "dist", "test", "**/*.spec.ts"]
+}