#116 - integration with slack (#129)

* wip

* wip

* wip

* wip

* fix

* wip

* wip

* fix

* fix

* cs fix

* #116 - fix

* #116 - changed home-office icon

* Apply suggestions from code review

Co-authored-by: Krzysztof Rewak <krzysztof.rewak@gmail.com>

* #116 - cr fix

* #116 - cs fix

* #116 - cs fix

* Apply suggestions from code review

Co-authored-by: Ewelina Lasowy <56546832+EwelinaLasowy@users.noreply.github.com>

* #5 - bump codestyle

Co-authored-by: EwelinaLasowy <ewelina.lasowy@blumilk.pl>
Co-authored-by: Krzysztof Rewak <krzysztof.rewak@gmail.com>
Co-authored-by: Ewelina Lasowy <56546832+EwelinaLasowy@users.noreply.github.com>

app/Infrastructure/Http/Controllers/TimesheetController.php

@@ -35,8 +35,10 @@ class TimesheetController extends Controller
 
         $types = VacationType::all()
             ->filter(
-                fn(VacationType $type) => $configRetriever->isAvailableFor($type, EmploymentForm::EmploymentContract)
-                    && $configRetriever->isVacation($type),
+                fn(VacationType $type): bool => $configRetriever->isAvailableFor(
+                    $type,
+                    EmploymentForm::EmploymentContract,
+                ) && $configRetriever->isVacation($type),
             );
 
         $filename = "{$carbonMonth->translatedFormat("F Y")}.xlsx";