- /src/providers/views.py
- /docs/docs/analytics_engine.md

Migrated frontend from material to ant design, created theme according to style guide, added icons etc.

Migrated frontend from material to ant design, created theme according to style guide, added icons etc.

#91: bugfix

- /docs/docs/img/ilias_configuration_detail.png
- /docs/docs/ilias_connection.md

- /src/xapi/tests/tests.py
- /src/backend/.env.test

- /src/xapi/tests/tests.py
- /src/xapi/views.py

#106 and #99: implemented retry for unsuccessful forwards to other LRS with a cutoff after approx. 2 weeks. Improved error reporting and fixed some error cases.

#87: added mutex to hopefully prevent rare race condition when creating a new user from a shibboleth account

#93: show essential verbs which are not part of any group as selectable when creating or editing analytics tokens