Update the prompt templates

1. Update README.md
2. Delete useless template json
3. Upload prompt template json for Huozi&Bloom

templates/bloom_deploy.json

@@ -0,0 +1,8 @@
+{
+    "description": "Template used by Med Instruction Tuning",
+    "prompt_input": "下面是一个问题，运用医学知识来正确回答提问.\n{instruction}\n\n\n### 回答：\n",
+    "prompt_no_input": "下面是一个问题，运用医学知识来正确回答提问.\n{instruction}\n### 回答：\n",
+    "response_split": "### 回答："
+}
+
+