Enable multisrc support (#1352)

* Re-add multisrc support

* Convert SFlix and DopeBox to multisrc

* Re-enable multisrc tasks on workflows

multisrc/overrides/dopeflix/dopebox/src/DopeBox.kt

@@ -0,0 +1,12 @@
+package eu.kanade.tachiyomi.animeextension.en.dopebox
+
+import eu.kanade.tachiyomi.multisrc.dopeflix.DopeFlix
+
+class DopeBox : DopeFlix(
+    "DopeBox",
+    "en",
+    arrayOf("dopebox.to", "dopebox.se"), // Domain list
+    "dopebox.to", // Default domain
+) {
+    override val id: Long = 787491081765201367
+}