Metadaten geladen und an der Oberfläche die Suche ausgelöst, sobald
Eingaben da sind (nicht nur Volltext)

Give more space to search results.

added additional metadata fields -> difficulty, education level, status, type, version, format, keywords, requirements

layouting

Check optional metadata fields before
trying to display them.

When scrolling through the search results,
load new results when the bottom of the page
is near.

Previously, when the pages had a height
smaller than the screen's height,
the footer was displayed somewhere in the
middle of the page.

Display the footer at the bottom, with
no whitespace after it.

Pass a SearchInput object to the back-end
and display the data, which is returned as
a SearchResultDTO.

This component contains the search input fields.

- Make footer full width and put it at the bottom.
- Replace light blue bar below the navbar
  with white bar, to match the bar above the footer.