added apply coupon with api intigration and more fixes

android/app/proguard-rules.pro

@@ -0,0 +1,15 @@
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /usr/local/Cellar/android-sdk/24.3.3/tools/proguard/proguard-android.txt
+
+# Keep Stripe Push Provisioning classes
+-keep class com.stripe.android.pushProvisioning.** { *; }
+-dontwarn com.stripe.android.pushProvisioning.**
+
+# Keep Stripe SDK
+-keep class com.stripe.android.** { *; }
+-dontwarn com.stripe.android.**
+
+# Keep React Native Stripe SDK
+-keep class com.reactnativestripesdk.** { *; }
+-dontwarn com.reactnativestripesdk.**