Fix HentaiVN

Remove some warning

src/main/kotlin/org/koitharu/kotatsu/parsers/site/fr/ScansMangasMe.kt

@@ -132,7 +132,7 @@ internal class ScansMangasMe(context: MangaLoaderContext) :
 	}
 
 	private fun getChapters(doc: Document): List<MangaChapter> {
-		return doc.body().requireElementById("chapter_list").select("li").mapChapters(reversed = true) { i, li ->
+		return doc.body().requireElementById("chapter_list").select("li").mapChapters(reversed = true) { _, li ->
 			val a = li.selectFirstOrThrow("a")
 			val href = a.attrAsRelativeUrl("href")
 			MangaChapter(

src/main/kotlin/org/koitharu/kotatsu/parsers/site/heancms/en/OmegaScans.kt

@@ -106,7 +106,7 @@ internal class OmegaScans(context: MangaLoaderContext) : HeanCms(context, MangaS
 		val dateFormat = SimpleDateFormat(datePattern, Locale.ENGLISH)
 
 		val chaptersJsonArray = json.getJSONArray("data")
-		var totalChapters = json.getJSONObject("meta").getInt("total")
+		var totalChapters = json.getJSONObject("meta").getInt("total").toFloat()
 		val chapters = chaptersJsonArray.mapJSON { j ->
 			val slug = j.getJSONObject("series").getString("series_slug")
 			val chapterUrl = "https://$domain/$pathManga/$slug/${j.getString("chapter_slug")}"
@@ -116,6 +116,7 @@ internal class OmegaScans(context: MangaLoaderContext) : HeanCms(context, MangaS
 				url = chapterUrl,
 				name = j.getString("chapter_name"),
 				number = totalChapters--,
+				volume = 0,
 				branch = null,
 				uploadDate = dateFormat.tryParse(date),
 				scanlator = null,

src/main/kotlin/org/koitharu/kotatsu/parsers/site/heancms/fr/PerfScan.kt

@@ -125,7 +125,7 @@ internal class PerfScan(context: MangaLoaderContext) :
 		val dateFormat = SimpleDateFormat(datePattern, Locale.ENGLISH)
 
 		val chaptersJsonArray = json.getJSONArray("data")
-		var totalChapters = json.getJSONObject("meta").getInt("total")
+		var totalChapters = json.getJSONObject("meta").getInt("total").toFloat()
 		val chapters = chaptersJsonArray.mapJSON { j ->
 			val slug = j.getJSONObject("series").getString("series_slug")
 			val chapterUrl = "https://$domain/$pathManga/$slug/${j.getString("chapter_slug")}"
@@ -135,6 +135,7 @@ internal class PerfScan(context: MangaLoaderContext) :
 				url = chapterUrl,
 				name = j.getString("chapter_name"),
 				number = totalChapters--,
+				volume = 0,
 				branch = null,
 				uploadDate = dateFormat.tryParse(date),
 				scanlator = null,

src/main/kotlin/org/koitharu/kotatsu/parsers/site/heancms/pt/ModeScanlator.kt

@@ -108,7 +108,7 @@ internal class ModeScanlator(
 		val dateFormat = SimpleDateFormat(datePattern, Locale.ENGLISH)
 
 		val chaptersJsonArray = json.getJSONArray("data")
-		var totalChapters = json.getJSONObject("meta").getInt("total")
+		var totalChapters = json.getJSONObject("meta").getInt("total").toFloat()
 		val chapters = chaptersJsonArray.mapJSON { j ->
 			val slug = j.getJSONObject("series").getString("series_slug")
 			val chapterUrl = "https://$domain/$pathManga/$slug/${j.getString("chapter_slug")}"
@@ -118,6 +118,7 @@ internal class ModeScanlator(
 				url = chapterUrl,
 				name = j.getString("chapter_name"),
 				number = totalChapters--,
+				volume = 0,
 				branch = null,
 				uploadDate = dateFormat.tryParse(date),
 				scanlator = null,

src/main/kotlin/org/koitharu/kotatsu/parsers/site/madara/en/ResetScans.kt

@@ -27,7 +27,7 @@ internal class ResetScans(context: MangaLoaderContext) :
 			webClient.httpPost(url, emptyMap()).parseHtml()
 		}
 		val dateFormat = SimpleDateFormat(datePattern, sourceLocale)
-		return doc.select(selectChapter).mapChapters(reversed = true) { i, li ->
+		return doc.select(selectChapter).mapChapters(reversed = true) { _, li ->
 			val a = li.getElementsByTag("a").findWithText()
 			val href = a?.attrAsRelativeUrlOrNull("href") ?: li.parseFailed("Link is missing")
 			val link = href + stylePage

src/main/kotlin/org/koitharu/kotatsu/parsers/site/nepnep/NepnepParser.kt

@@ -61,7 +61,7 @@ internal abstract class NepnepParser(
 			val imgUrl = "https://temp.compsci88.com/cover/" + m.getString("i") + ".jpg"
 			val lastUpdate = m.getLong("lt")
 			val views = m.getString("v")
-			val viewMonth = m.getString("vm")
+			//val viewMonth = m.getString("vm")
 
 			when (filter) {
 

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

@@ -23,10 +23,15 @@ private const val SEARCH_PAGE_SIZE = 10
 @MangaSourceParser("HENTAIVN", "HentaiVN", "vi", type = ContentType.HENTAI)
 class HentaiVNParser(context: MangaLoaderContext) : MangaParser(context, MangaSource.HENTAIVN) {
 
-	override val configKeyDomain: ConfigKey.Domain = ConfigKey.Domain("zhentaivnz.cc", "hentaivn.homes")
+	override val configKeyDomain: ConfigKey.Domain = ConfigKey.Domain("zhentaivnz.cc")
 
 	// hentaivn has created 2 different interfaces for mobile and desktop, and Cloudflare detects whether it's mobile or not even with a desktop user agent.
-	override val headers: Headers = Headers.Builder().add("User-Agent", UserAgents.FIREFOX_DESKTOP).build()
+	private val userAgentKey = ConfigKey.UserAgent(context.getDefaultUserAgent())
+
+	override fun onCreateConfig(keys: MutableCollection<ConfigKey<*>>) {
+		super.onCreateConfig(keys)
+		keys.add(userAgentKey)
+	}
 
 	override val availableSortOrders: Set<SortOrder> = EnumSet.of(
 		SortOrder.UPDATED,