初始化项目，由ModelHub XC社区提供模型

Model: mixedbread-ai/mxbai-rerank-base-v2
Source: Original Platform

config_sentence_transformers.json

@@ -0,0 +1,10 @@
+{
+  "model_type": "CrossEncoder",
+  "__version__": {
+    "sentence_transformers": "5.4.0",
+    "transformers": "4.52.0",
+    "pytorch": "2.7.0+cu126"
+  },
+  "prompts": {},
+  "default_prompt_name": null
+}