Add library categories and favorites

shared/src/commonMain/kotlin/net/sergeych/toread/storage/LibraryStorage.kt

@@ -17,6 +17,7 @@ enum class BookImportPolicy {
 
 enum class BookReadingStatus {
     NEW,
+    TO_READ,
     READING,
     READ,
     NOT_INTERESTED,
@@ -109,6 +110,7 @@ data class BookFileRecord(
     val lastModifiedMillis: Long? = null,
     val lastSeenAt: Long? = null,
     val readingStatus: BookReadingStatus = BookReadingStatus.NEW,
+    val favorite: Boolean = false,
     val lastReadAt: Long? = null,
     val createdAt: Long,
     val updatedAt: Long,
@@ -128,6 +130,7 @@ data class LibraryFileRecord(
     val storageUri: String? = null,
     val lastSeenAt: Long? = null,
     val readingStatus: BookReadingStatus = BookReadingStatus.NEW,
+    val favorite: Boolean = false,
     val lastReadAt: Long? = null,
     val importedAt: Long,
 )
@@ -210,6 +213,7 @@ interface BookFileRepository {
     fun list(limit: Int = 500, offset: Int = 0): List<BookFileRecord>
     fun listForBook(bookId: String): List<BookFileRecord>
     fun updateReadingStatus(id: String, status: BookReadingStatus): Boolean
+    fun updateFavorite(id: String, favorite: Boolean): Boolean
     fun touchLastReadAt(id: String, lastReadAt: Long): Boolean
     fun delete(id: String): Boolean
 }