feat: paypal支付

package.json

@@ -14,6 +14,7 @@
   "dependencies": {
     "@better-scroll/core": "2.5.1",
     "@iconify/vue": "4.1.2",
+    "@paypal/paypal-js": "^8.2.0",
     "@sa/axios": "workspace:*",
     "@sa/color-palette": "workspace:*",
     "@sa/hooks": "workspace:*",