Create Trixie Lulamoon/speaker.json

The Trixie model from Vul is actually a multispeaker model, so a speaker.json file is required. Added.

so_vits_svc_3/Trixie Lulamoon/speaker.json

@@ -0,0 +1,3 @@
+{
+   "speaker": "trixie"
+}