[MimiHentai] Add exclude tags support (#1872)

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

@@ -50,6 +50,7 @@ internal class MimiHentai(context: MangaLoaderContext) :
 			isSearchWithFiltersSupported = true,
 			isMultipleTagsSupported = true,
 			isAuthorSearchSupported = true,
+			isTagsExclusionSupported = true,
 		)
 
 	init {
@@ -83,6 +84,11 @@ internal class MimiHentai(context: MangaLoaderContext) :
                         append("&genre=")
                         append(filter.tags.joinToString(",") { it.key })
                     }
+
+			  		filter.tagsExclude.isNotEmpty() -> {
+						append("&ex=")
+						append(filter.tagsExclude.joinToString(",") { it.key })
+			  		}
                 }
                                 
                 append("&sort=")