openai_api_key配置项前端加密 (#2943)

Author: fixpng

common/templates/config.html

@@ -952,7 +952,7 @@ <h6 style="color:red">注2：DEFAULT_CHAT_MODEL 默认配置为gpt-3.5-turbo，D
                                 <label for="openai_api_key"
                                        class="col-sm-4 control-label">OPENAI_API_KEY</label>
                                 <div class="col-sm-5">
-                                    <input type="text" class="form-control" id="openai_api_key"
+                                    <input type="password" class="form-control" id="openai_api_key"
                                            key="openai_api_key"
                                            value="{{ config.openai_api_key }}"
                                            placeholder="openai api key" />