All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
***core/filter:** add field and getter for last received item count ([468262f](https://transfer.hft-stuttgart.de/gitlab/unified-ticketing/-/commit/468262f0d033572d0bcff8ddb82b46941fb14751))
***systems:** add implementation for GitHub ([25207b2](https://transfer.hft-stuttgart.de/gitlab/unified-ticketing/-/commit/25207b2458c14cc4ff7863c9b251b66d6b708967))