Add Mangastep (#8307)

src/th/mangastep/build.gradle

@@ -0,0 +1,10 @@
+ext {
+    extName = 'Mangastep'
+    extClass = '.Mangastep'
+    themePkg = 'mangathemesia'
+    baseUrl = 'https://mangastep.com'
+    overrideVersionCode = 0
+    isNsfw = true
+}
+
+apply from: "$rootDir/common.gradle"

src/th/mangastep/src/eu/kanade/tachiyomi/extension/th/mangastep/Mangastep.kt

@@ -0,0 +1,12 @@
+package eu.kanade.tachiyomi.extension.th.mangastep
+
+import eu.kanade.tachiyomi.multisrc.mangathemesia.MangaThemesia
+import java.text.SimpleDateFormat
+import java.util.Locale
+
+class Mangastep : MangaThemesia(
+    "Mangastep",
+    "https://mangastep.com",
+    "th",
+    dateFormat = SimpleDateFormat("MMMM d, yyyy", Locale("th")),
+)