- fix: implicitly nullable parameter type updated with explicit type

- version bump

- adds unit test for `tap()` function

- changed method signature for fromObject to `fromObject(Configuratio…

…n|string $object)`

- fixed Config::$root fallback assignment

- improved tests for ULID

- added ULID class for creating Universally Unique Lexicographically …

…Sortable Identifiers

- UUID: adds toBase64() and fromBase64() methods

- bugfix: invalid key values are transformed as items

- optimization: attempt to reduce the code complexity

- chore: cleanup

- updates