feat: implement support for asynchronous workers

[sn1f3rt]

Description

We need to add support for creating workers using Temporal.

Temporal is a tried and tested technology that we've implemented previously in our flask-react-template. It allows for asynchronously queuing up workers, which can perform various tasks, from the least to the most resource-intensive tasks, all while running independently of the web app.

Please refer to the following resources for getting started:

1. Temporal Getting Started docs - https://learn.temporal.io/getting_started/
2. Temporal TS client library - https://learn.temporal.io/getting_started/typescript/dev_environment/
3. flask-react-template worker docs - https://github.com/jalantechnologies/flask-react-template/blob/main/docs/workers.md