init: 完成了图片加水印

backend-bridge/requirements.txt

@@ -0,0 +1,8 @@
+fastapi==0.112.2
+uvicorn[standard]==0.30.1
+python-multipart==0.0.20
+pillow==10.4.0
+trustmark==0.9.2
+
+starlette
+starlette