add sentence-transformer module

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "sentence-transformer"]
+	path = sentence-transformer
+	url = https://huggingface.co/sentence-transformers/paraphrase-multilingual-MiniLM-L12-v2

app.py

@@ -27,7 +27,7 @@ st.title("llama_index_demo")
 @st.cache_resource
 def init_models():
     embed_model = HuggingFaceEmbedding(
-        model_name="/root/model/sentence-transformer"
+        model_name="./sentence-transformer"
     )
     Settings.embed_model = embed_model
 

sentence-transformer

@@ -0,0 +1 @@
+Subproject commit 8d6b950845285729817bf8e1af1861502c2fed0c