Add SkyManga (#5307)

src/en/skymanga/build.gradle

@@ -0,0 +1,10 @@
+ext {
+    extName = 'Sky Manga'
+    extClass = '.SkyManga'
+    themePkg = 'mangathemesia'
+    baseUrl = 'https://skymanga.work'
+    overrideVersionCode = 0
+    isNsfw = true
+}
+
+apply from: "$rootDir/common.gradle"

src/en/skymanga/src/eu/kanade/tachiyomi/extension/en/skymanga/SkyManga.kt

@@ -0,0 +1,18 @@
+package eu.kanade.tachiyomi.extension.en.skymanga
+
+import eu.kanade.tachiyomi.multisrc.mangathemesia.MangaThemesia
+import eu.kanade.tachiyomi.network.interceptor.rateLimit
+import java.text.SimpleDateFormat
+import java.util.Locale
+
+class SkyManga : MangaThemesia(
+    "Sky Manga",
+    "https://skymanga.work",
+    "en",
+    "/manga-list",
+    SimpleDateFormat("dd-MM-yyyy", Locale.US),
+) {
+    override val client = super.client.newBuilder()
+        .rateLimit(3)
+        .build()
+}