Add per-variant config.json for 0.6B

0.6B/config.json

@@ -0,0 +1,13 @@
+{
+  "engine": "outetts",
+  "phoneme_type": "unicode",
+  "alphabet": "graphemes",
+  "audio": {
+    "sample_rate": 24000
+  },
+  "engine_params": {
+    "codec_decoder_path": "../dac/decoder_model.onnx",
+    "tokenizer_path": "tokenizer.json",
+    "speakers_path": "../speakers/en-female-1-neutral.json"
+  }
+}