chore(transloco-util): add keysManager.sort key to TranslocoGlobalConfig

[xDivisionByZerox]

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)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• Other... Please describe: Types

What is the current behavior?

No property keysManager.sort in the TranslocoGlobalConfig interface.

Issue Number: #825

What is the new behavior?

Expose property keysManager.sort for TranslocoGlobalConfig publically.

Does this PR introduce a breaking change?

• Yes
• No

Other information

I'm not sure if there should be a documentation change for the page hosted under https://jsverse.gitbook.io/transloco/tools/keys-manager-tkm/options#transloco-config-file. I would apprechiate some input for this question.