Add new confilter rule (#133)

Author: himenekocn

plugin_files/configs/confilter.example.jsonc

@@ -42,5 +42,6 @@
     "Framerate_Values": "\\d+\\.\\d+ms\\s+\\d+\\.\\d+%\\s+\\d+\\.\\d+ms\\s+[A-Za-z\\s]+",
     "Framerate_Total": "FrameTotal:\\s+\\d+\\.\\d+ms,\\s+\\s*tolerance:\\s+\\d+\\.\\d+ms",
     "ClientPutInServer": "ClientPutInServer",
-    "IGameSystem": "IGameSystem::"
-}
+    "IGameSystem": "IGameSystem::",
+    "FLASHBANG": "FLASHBANG:"
+}