adding missing parameter

app.py

@@ -81,6 +81,7 @@ def getPayload(index):
                 "language":"en",
                 "scoreFileRemotePath":"themes/DeckTheHalls/score/TTS_XMAS_DeckTheHalls_Melody_C_200bpm_4x4_ABCD.json",
                 "scoreDataFileRemotePath":"themes/DeckTheHalls/score/TTS_XMAS_DeckTheHalls_Score_Data_ABCD.json",
+                "dspFileRemotePath": "themes/DeckTheHalls/dsp/XML/TTS_XMAS_DeckTheHalls_DSP_C_200bpm_ABCD.xml",
                 "lyrics": [],
                 "dspEffect": "",
                 "backgroundSounds":False,