Feature/upgrade core dependencies (#490)

* Upgrade core dependencies

  * angular
  * nestjs
  * Nx
  * rxjs
  * storybook

* Temporarily fix imports for storybook

* Update changelog

apps/api/tsconfig.app.json

@@ -6,6 +6,6 @@
     "emitDecoratorMetadata": true,
     "target": "es2015"
   },
-  "exclude": ["**/*.spec.ts"],
+  "exclude": ["**/*.spec.ts", "**/*.test.ts"],
   "include": ["**/*.ts"]
 }