Add Siimanga (#3904)

src/id/siimanga2/build.gradle

@@ -0,0 +1,10 @@
+ext {
+    extName = 'Siimanga'
+    extClass = '.Siimanga'
+    themePkg = 'mangathemesia'
+    baseUrl = 'https://siimanga.cyou'
+    overrideVersionCode = 0
+    isNsfw = false
+}
+
+apply from: "$rootDir/common.gradle"

src/id/siimanga2/src/eu/kanade/tachiyomi/extension/id/siimanga2/Siimanga.kt

@@ -0,0 +1,22 @@
+package eu.kanade.tachiyomi.extension.id.siimanga2
+
+import eu.kanade.tachiyomi.multisrc.mangathemesia.MangaThemesia
+import eu.kanade.tachiyomi.network.GET
+import eu.kanade.tachiyomi.source.model.Page
+import okhttp3.Request
+
+class Siimanga : MangaThemesia(
+    "Siimanga",
+    "https://siimanga.cyou",
+    "id",
+) {
+    override val hasProjectPage = true
+
+    override fun imageRequest(page: Page): Request {
+        val newHeaders = headersBuilder()
+            .removeAll("Referer")
+            .build()
+
+        return GET(page.imageUrl!!, newHeaders)
+    }
+}