AtsuMoe: Add source (close #2187)

Co-authored-by: Draken <131387159+dragonx943@users.noreply.github.com>

.github/summary.yaml

@@ -1 +1 @@
-total: 1252
+total: 1253

src/main/kotlin/org/koitharu/kotatsu/parsers/site/keyoapp/en/AtsuMoe.kt

@@ -0,0 +1,10 @@
+package org.koitharu.kotatsu.parsers.site.keyoapp.en
+
+import org.koitharu.kotatsu.parsers.MangaLoaderContext
+import org.koitharu.kotatsu.parsers.MangaSourceParser
+import org.koitharu.kotatsu.parsers.model.MangaParserSource
+import org.koitharu.kotatsu.parsers.site.keyoapp.KeyoappParser
+
+@MangaSourceParser("ATSUMOE", "AtsuMoe", "en")
+internal class AtsuMoe(context: MangaLoaderContext) :
+    KeyoappParser(context, MangaParserSource.ATSUMOE, "atsu.moe")