[backend] Add necessary information to database

[karolinaszarek]

Example of how the MovieCard is rendered:

<MovieCard imageSource="https://a.allegroimg.com/original/11319f/c05eb92d4ff8b3764c2642d73183/Star-Wars-Skywalker-Odrodzenie-plakat-61x91-5-cm" movieTitle="Gwiezdne wojny" isPremiere={true} movieTrailer="https://www.youtube.com/watch?v=8Qn_spdM5Zg" />

Things to add to our DB:

• [ ] image of the movie (poster)
• [ ] information if movie is in this moment a premiere
• [ ] link to the trailer

[mateuszCabala95]

[] add description to film model