Update config.json to use new voice selection options

config.json

@@ -13,6 +13,14 @@
     { "tts_input": "Seatown", "label": "seatown" },
     { "tts_input": "Tokyo", "label": "tokyo" }
   ],
+  "generate": {
+    "voice_selection": {
+      "group_by": ["language", "gender"],
+      "languages": "all",
+      "genders": ["masculine", "feminine"],
+      "limit_per_group": 3
+    }
+  },
   "google_speech_commands": [
     "yes",
     "no",
@@ -50,4 +58,4 @@
     "learn",
     "visual"
   ]
-}
+}