Add initial typescript setup

[gaber85]

Description

This PR adds the initial TypeScript setup to the repo. This should not interfere with those that would still like to create javascript files, in fact it would only improve their developer experience!

Related Issue

The related issue for this PR is: Issue https://github.com/SauveJeanLuc/coffee-tasks/issues/122

Motivation and Context

It would be great to allow developers who would like to dabble in TypeScript or would like some exposure to it.

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [x] I have added tests that prove my fix is effective or that my feature works

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[SauveJeanLuc]

pull latest changes from master

[gaber85]

@SauveJeanLuc I've merged master in!