Closes #235

This PR provides to add fomanticUI label classes to inputs. This way, the input's label position/type/color can be set.
Basic examples for its use are included in the example file.
Official documentation is referenced.

DoD

• Major project work has a corresponding task. If there’s no task for what you are doing, create it. Each task needs to be well defined and described.

• Change has been tested (manually or with automated tests), everything runs correctly and works as expected. No existing functionality is broken.

• No new error or warning messages are introduced.

• All interaction with a semantic functions, examples and docs are written from the perspective of the person using or receiving it. They are understandable and helpful to this person.

• If the change affects code or repo sctructure, README, documentation and code comments should be updated.

• All code has been peer-reviewed before merging into any main branch.

• All changes have been merged into the main branch we use for development (develop).

• Continuous integration checks (linter, unit tests) are configured and passed.

• Unit tests added for all new or changed logic.

• All task requirements satisfied. The reviewer is responsible to verify each aspect of the task.

• Any added or touched code follows our style-guide.