* run `yarn lint --fix`
* Revert "Revert "add linting to ci""
This reverts commit 0bbbbee4be.
* Fixed some errors
* remove unused code - not sure why this was here?
* assert env var
* more type fixes
* fix typings og gcal callback - needs testing
* rename `md5.ts` to `md5.js`
it is js.
* fix types
* fix types
* fix lint errors
* fix last lint error
Co-authored-by: Alex van Andel <me@alexvanandel.com>
* More tests to be added to verify slots logic
* Adds Jest
* Implements logic to the booking code to take into account grayed days
* Slots take workhours into account
TODO: Improve the tests, evaluate the structure, small re-orgs here and
there for improved readability / better code
