fix: 🐛 Put transloco.module in its own folder

[karmasakshi]

Prevent Angular CLI generator from asking module name when generating
items by putting transloco.module in its own folder

Closes: #318

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/ngneat/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)
[x] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Other... Please describe:

What is the current behavior?

Issue Number: N/A

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[itayod]

@karmasakshi make sure to also update the import path of the transloco-root.module file since we moved it under transloco folder

[karmasakshi]

Closing until I've tested.

[karmasakshi]

@itayod Over to you.

[itayod]

@karmasakshi LGTM :), did you manage to test it?

[karmasakshi]

@itayod Used npm link to run schematic in sample app. Built and ran sample app with a translation. Ran existing tests and generated component using Angular CLI. Everything is working fine now.

[itayod]

@karmasakshi LGTM, thanks 👍