docs: usage with nx workspaces

[KingDarBoja]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/jsverse/transloco/blob/master/CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[x] Other... Please describe: Document usage with NX workspaces

What is the current behavior?

Issue Number: #169

What is the new behavior?

No new behaviour, only documented how to properly setup this library with a nx workspace while avoiding prettier 3 issues as requested at #169 (comment)

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[shaharkazaz]

Thanks for the PR!

[shaharkazaz]

Hm.. let's try to see what's going on here 🤔