Add Nsfw flag to Bato.to (#5452)

* Add Nsfw flag

* Added NSFW annotations to Factory

src/all/batoto/build.gradle

@@ -7,6 +7,7 @@ ext {
     extClass = '.BatoToFactory'
     extVersionCode = 3
     libVersion = '1.2'
+    containsNsfw = true
 }
 
 apply from: "$rootDir/common.gradle"

src/all/batoto/src/eu/kanade/tachiyomi/extension/all/batoto/BatoToFactory.kt

@@ -1,8 +1,10 @@
 package eu.kanade.tachiyomi.extension.all.batoto
 
+import eu.kanade.tachiyomi.annotations.Nsfw
 import eu.kanade.tachiyomi.source.Source
 import eu.kanade.tachiyomi.source.SourceFactory
 
+@Nsfw
 class BatoToFactory : SourceFactory {
     override fun createSources(): List<Source> = languages.map { BatoTo(it.first, it.second) }
 }