LXManga: Add referer, fix not found error in getPages (#2220)

src/main/kotlin/org/koitharu/kotatsu/parsers/site/vi/LxManga.kt

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.parsers.site.vi
 
+import okhttp3.Headers
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.MangaSourceParser
 import org.koitharu.kotatsu.parsers.config.ConfigKey
@@ -14,6 +15,11 @@ internal class LxManga(context: MangaLoaderContext) : PagedMangaParser(context,
 
 	override val configKeyDomain = ConfigKey.Domain("lxmanga.my")
 
+	override fun getRequestHeaders(): Headers = Headers.Builder()
+		.add("Referer", "https://$domain/")
+		.add("Origin", "https://$domain")
+		.build()
+
 	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
 		super.onCreateConfig(keys)
 		keys.add(userAgentKey)