Update processing state: next_index=345

processing_state2.json

@@ -344,6 +344,7 @@
     "files/537_CERRKUHK.rar": "processed",
     "files/538_EWAPONAS.part1.rar": "processed",
     "files/539_EWAPONAS.part2.rar": "processed",
-    "files/540_EWAPONAS.part3.rar": "failed"
+    "files/540_EWAPONAS.part3.rar": "failed",
+    "files/541_ZUNAKASC.part1.rar": "processing"
   }
 }