初始化项目，由ModelHub XC社区提供模型

Model: leopard-Ai/rb-nano
Source: Original Platform

tokenizer_config.json

@@ -0,0 +1,9 @@
+{
+  "backend": "tokenizers",
+  "bos_token": "<sos>",
+  "eos_token": "<eos>",
+  "model_max_length": 1024,
+  "pad_token": "<pad>",
+  "tokenizer_class": "TokenizersBackend",
+  "unk_token": "<unk>"
+}