Add Retsu (#2941)

src/en/retsu/build.gradle

@@ -0,0 +1,10 @@
+ext {
+    extName = 'Retsu'
+    extClass = '.Retsu'
+    themePkg = 'madara'
+    baseUrl = 'https://retsu.org'
+    overrideVersionCode = 0
+    isNsfw = true
+}
+
+apply from: "$rootDir/common.gradle"

src/en/retsu/src/eu/kanade/tachiyomi/extension/en/retsu/Retsu.kt

@@ -0,0 +1,20 @@
+package eu.kanade.tachiyomi.extension.en.retsu
+
+import eu.kanade.tachiyomi.multisrc.madara.Madara
+
+class Retsu : Madara(
+    "Retsu",
+    "https://retsu.org",
+    "en",
+) {
+    override fun popularMangaSelector() = "div.manga__item"
+    override val popularMangaUrlSelector = "h4 a"
+
+    override val mangaDetailsSelectorTitle = "h1.post-title"
+    override val mangaDetailsSelectorGenre = "div.manga-genres a"
+    override val seriesTypeSelector = ".manga-type .summary-content"
+    override val altNameSelector = ".manga-alternative"
+
+    override val useLoadMoreRequest = LoadMoreStrategy.Always
+    override val useNewChapterEndpoint = false
+}