DEVOPS-280/Fixed how absence history is filtered and removed some unused methods

Closes DEVOPS-280

See merge request !51

DEVOPS-280/Fixed bug for how employeeId is passed

Closes DEVOPS-280

See merge request !50

DEVOPS-302/Added configurations in application-rec.yml for connection between services

See merge request !49

- /src/main/resources/application-rec.yml
- /src/main/resources/application.yml
- /.gitlab-ci.yml
- /Dockerfile

DEVOPS-171/Add permission checks to document request endpoints

Closes DEVOPS-171

See merge request !48

DEVOPS-302/Added specified permissions for each Admin Functionnality, and fixed update function.

See merge request !47

DEVOPS-171/Resolve configuration conflict

Closes DEVOPS-171

See merge request !46

DEVOPS-280/Fixed bug for update absence

Closes DEVOPS-280

See merge request !45

DEVOPS-141/Refactored leave request logic for consistent FunctionalException handling,...

See merge request !44

Refactored leave request logic for consistent FunctionalException handling, improved repository search queries, and enhanced status update logic to check leave balance and prevent self-approval by admins.

DEVOP-280/Restrict access to absence declaration controller to only authenticated users...

Closes DEVOPS-280

See merge request !43

Restrict access to absence declaration controller to only authenticated users and restrict access to some endpoints only to admin

DEVOPS-302/Enhanced security for leave request endpoints by requiring Admin role access

See merge request !42

DEVOPS-208/Updated exceptions to syncronize them with frontend

Closes DEVOPS-208

See merge request !41

# Conflicts:
#   CHANGELOG.md

DEVOPS-112/Added FunctionalException throw for updating an approved leaverequest.

See merge request !40