utilize sentence_transformers (#4)

- support sentence_transformers (b638976fde29a4fbc3c41ece8d293f7ffcdcb30f)

1_Pooling/config.json

@@ -0,0 +1,4 @@
+{
+  "word_embedding_dimension": 768,
+  "pooling_mode_mean_tokens": true
+}

modules.json

@@ -0,0 +1,14 @@
+[
+  {
+    "idx": 0,
+    "name": "0",
+    "path": "",
+    "type": "sentence_transformers.models.Transformer"
+  },
+  {
+    "idx": 1,
+    "name": "1",
+    "path": "1_Pooling",
+    "type": "sentence_transformers.models.Pooling"
+  }
+]

sentence_bert_config.json

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+{
+  "max_seq_length": 128,
+  "do_lower_case": false
+}