feat: sort series by random

Closes: #1558

komga-webui/src/locales/en.json

@@ -973,6 +973,7 @@
     "name": "Name",
     "number": "Number",
     "page_count": "Page count",
+    "random": "Random",
     "release_date": "Release date"
   },
   "theme": {

komga-webui/src/views/BrowseLibraries.vue

@@ -329,6 +329,7 @@ export default Vue.extend({
         {name: this.$t('sort.release_date').toString(), key: 'booksMetadata.releaseDate'},
         {name: this.$t('sort.folder_name').toString(), key: 'name'},
         {name: this.$t('sort.books_count').toString(), key: 'booksCount'},
+        {name: this.$t('sort.random').toString(), key: 'random'},
       ] as SortOption[]
     },
     filterOptionsList(): FiltersOptions {

komga/src/main/kotlin/org/gotson/komga/infrastructure/jooq/main/SeriesDtoDao.kt

@@ -94,6 +94,7 @@ class SeriesDtoDao(
       "collection.number" to cs.NUMBER,
       "name" to s.NAME.collate(SqliteUdfDataSource.COLLATION_UNICODE_3),
       "booksCount" to s.BOOK_COUNT,
+      "random" to DSL.rand(),
     )
 
   override fun findAll(pageable: Pageable): Page<SeriesDto> = findAll(SeriesSearch(), SearchContext.ofAnonymousUser(), pageable)