Add MangaKun (#3463)

src/pt/mangakun/build.gradle

@@ -0,0 +1,9 @@
+ext {
+    extName = 'Mangá Kun'
+    extClass = '.MangaKun'
+    themePkg = 'mangathemesia'
+    baseUrl = 'https://mangakun.com.br'
+    overrideVersionCode = 0
+}
+
+apply from: "$rootDir/common.gradle"

src/pt/mangakun/src/eu/kanade/tachiyomi/extension/pt/mangakun/MangaKun.kt

@@ -0,0 +1,14 @@
+package eu.kanade.tachiyomi.extension.pt.mangakun
+
+import eu.kanade.tachiyomi.multisrc.mangathemesia.MangaThemesia
+import eu.kanade.tachiyomi.network.interceptor.rateLimit
+
+class MangaKun : MangaThemesia(
+    "Mangá Kun",
+    "https://mangakun.com.br",
+    "pt-BR",
+) {
+    override val client = super.client.newBuilder()
+        .rateLimit(2)
+        .build()
+}