Update README.md

This model is built using tfjs and is based on the YOLOv8n architecture. It is capable of detecting two classes of objects: people wearing safety helmets and those who are not.

该模型使用tfjs构建，基于YOLOv8n架构，可以检测两类物体：戴安全帽的人和未戴安全帽的人。

README.md

@@ -1,3 +1,10 @@
 ---
 license: mit
----
+language:
+- en
+library_name: tensorflowtts
+tags:
+- yolov8
+- tfjs
+- hard-hat
+---