Expose authorization provider

src/main/kotlin/org/koitharu/kotatsu/parsers/MangaParser.kt

@@ -28,6 +28,9 @@ public interface MangaParser : Interceptor {
 
 	public val config: MangaSourceConfig
 
+	public val authorizationProvider: MangaParserAuthProvider?
+		get() = this as? MangaParserAuthProvider
+
 	/**
 	 * Provide default domain and available alternatives, if any.
 	 *

src/main/kotlin/org/koitharu/kotatsu/parsers/core/MangaParserWrapper.kt

@@ -6,6 +6,7 @@ import okhttp3.Interceptor
 import okhttp3.Request
 import okhttp3.Response
 import org.koitharu.kotatsu.parsers.MangaParser
+import org.koitharu.kotatsu.parsers.MangaParserAuthProvider
 import org.koitharu.kotatsu.parsers.model.*
 import org.koitharu.kotatsu.parsers.model.search.MangaSearchQuery
 import org.koitharu.kotatsu.parsers.util.mergeWith
@@ -14,6 +15,9 @@ internal class MangaParserWrapper(
 	private val delegate: MangaParser,
 ) : MangaParser by delegate {
 
+	override val authorizationProvider: MangaParserAuthProvider?
+		get() = delegate as? MangaParserAuthProvider
+
 	override suspend fun getList(query: MangaSearchQuery): List<Manga> = withContext(Dispatchers.Default) {
 		if (!query.skipValidation) {
 			searchQueryCapabilities.validate(query)