Fmreader split (#5800)

* split fmreader

* convert Manhwa18Net to factory

* remove the extra source

* add back Manhwa18

* fix building

multisrc/overrides/fmreader/manhwasmut/src/ManhwaSmut.kt

@@ -0,0 +1,11 @@
+package eu.kanade.tachiyomi.extension.tr.manhwasmut
+
+import eu.kanade.tachiyomi.multisrc.fmreader.FMReader
+import eu.kanade.tachiyomi.network.GET
+import eu.kanade.tachiyomi.source.model.Page
+import okhttp3.Request
+
+class ManhwaSmut : FMReader("ManhwaSmut", "https://manhwasmut.com", "en") {
+    private val noReferer = headersBuilder().removeAll("Referer").build()
+    override fun imageRequest(page: Page): Request = GET(page.imageUrl!!, if (page.imageUrl!!.contains("toonily")) noReferer else headers)
+}