fix: 接入抖音原生支付并修复App支付服务缺失

uni_modules/tb-douyin-pay/utssdk/app-android/index.uts

@@ -0,0 +1,18 @@
+import { InitOptions, PayOptions, PayCallback } from '../interface.uts'
+import { configure, invoke } from '../common.uts'
+
+export function initDypay(options: InitOptions): boolean {
+  if (!configure(options.appId)) return false
+  TbDouyinPayNative.initialize(options.appId)
+  return true
+}
+
+export function canOpenDypay(): boolean {
+  return TbDouyinPayNative.available()
+}
+
+export function openDypay(options: PayOptions, callback: PayCallback): void {
+  invoke(options, callback, (payload: string, loading: boolean, done: (raw: string) => void) => {
+    TbDouyinPayNative.pay(payload, loading, done)
+  })
+}