Improve readability of created workflow

[jelhan]

@ijlee2 proposed to add empty lines between each step and after each job to improve readability:

It may also help to add 1 empty line after each step and 2 empty lines after each job. I find that this helps me read a workflow more easily.

See jelhan/ember-style-modifier#32 (comment) for more context.

[ijlee2]

I think I can help out with this issue. I'm guessing that I'd need to update the following files:

• https://github.com/jelhan/create-github-actions-setup-for-ember-addon/blob/master/templates/.github/workflows/ci.yml
• Test snapshots

?

[jelhan]

That would be awesome.

I'm guessing that I'd need to update the following files:

* https://github.com/jelhan/create-github-actions-setup-for-ember-addon/blob/master/templates/.github/workflows/ci.yml

* Test snapshots

Exactly. But no need to update the snapshots manually. To update them run yarn test with -u flag.

Normally I'm following this flow for such issues:

1. Change the template in templates/.github/workflows/ci.yml.
2. Run yarn test -u.
3. Verify that snapshots only contain expected changes.
4. Commit and open merge request.