fix: add download_model script

download_model.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# defines the qa model
+MODEL_DIR="https://huggingface.co/sentence-transformers/paraphrase-MiniLM-L6-v2/resolve/main"
+MODEL_NAME="paraphrase-MiniLM-L6-v2"
+
+# downloads the qa model. To make this image more general one can use wget
+# with the "-i requires.txt" argument to download the necessary files defined
+# in "requires.txt".
+mkdir ${MODEL_NAME} &&\
+    wget --directory-prefix=${MODEL_NAME} ${MODEL_DIR}/vocab.txt &&\
+    wget --directory-prefix=${MODEL_NAME} ${MODEL_DIR}/tokenizer_config.json &&\
+    wget --directory-prefix=${MODEL_NAME} ${MODEL_DIR}/tokenizer.json &&\
+    wget --directory-prefix=${MODEL_NAME} ${MODEL_DIR}/special_tokens_map.json &&\
+    wget --directory-prefix=${MODEL_NAME} ${MODEL_DIR}/sentence_bert_config.json &&\
+    wget --directory-prefix=${MODEL_NAME} ${MODEL_DIR}/pytorch_model.bin &&\
+    wget --directory-prefix=${MODEL_NAME} ${MODEL_DIR}/modules.json &&\
+    wget --directory-prefix=${MODEL_NAME} ${MODEL_DIR}/config_sentence_transformers.json &&\
+    wget --directory-prefix=${MODEL_NAME} ${MODEL_DIR}/config.json