Add title images and tags to individual albums in explore albums

src/main/java/NTNU/IDATT1002/controllers/ExploreAlbums.java

src/main/java/NTNU/IDATT1002/filters/ImageAlbumFilter.java

src/main/java/NTNU/IDATT1002/filters/ImageFilter.java

src/main/java/NTNU/IDATT1002/service/ImageAlbumService.java

src/main/java/NTNU/IDATT1002/service/ImageService.java

src/main/java/NTNU/IDATT1002/utils/ImageUtil.java