Update OffsetPagination.php

[aphraoh]

In OffsetPagination, no way of setting private member variables $labelPrevious, $labelNext, $labelFirst, $labelLast (Issue #177)

Q	A
Is bugfix?	❌
New feature?	✔️
Breaks BC?	✔️

[what-the-diff[bot]]

PR Summary

• Enhanced Navigation Functions We have enhanced our application's navigation abilities by adding four new methods to the OffsetPagination class. These methods help in browsing easily through available data to the previous set, next set, first set, and last set. This greatly improves user experience by enabling quick data navigation.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 16 lines in your changes are missing coverage. Please review.

Project coverage is 64.92%. Comparing base (7b94884) to head (d732582).

:exclamation: Current head d732582 differs from pull request most recent head 39a6de4. Consider uploading reports for the commit 39a6de4 to get more accurate results

Files	Patch %	Lines
src/OffsetPagination.php	0.00%	16 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #178 +/- ## ============================================ - Coverage 65.49% 64.92% -0.58% - Complexity 543 547 +4 ============================================ Files 46 46 Lines 1820 1836 +16 ============================================ Hits 1192 1192 - Misses 628 644 +16 ```

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[vjik]

Thank you!