fixed issue with GIF and screenshots not showing/loading in README.md and properly formatted codebase

Author: VhiktorBrown

example/lib/main.dart

@@ -42,7 +42,7 @@ class _MyHomePageState extends State<MyHomePage> {
                 PaystackFlutter().pay(
                   context: context,
                   secretKey:
-                      'YOUR PAYSTACK_SECRET_KEY', // Your Paystack secret key.
+                      'sk_test_4daeaa768f986a546516cd9a5d101f657ea4f1d3', // Your Paystack secret key.
                   amount:
                       60000, // The amount to be charged in the smallest currency unit. If amount is 600, multiply by 100(600*100)
                   email:

example/pubspec.lock

@@ -166,9 +166,10 @@ packages:
   paystack_for_flutter:
     dependency: "direct main"
     description:
-      path: ".."
-      relative: true
-    source: path
+      name: paystack_for_flutter
+      sha256: c232fd73995a8a6d842d696bf849f514078f36ab825b1e85577dc0a046cdf40f
+      url: "https://pub.dev"
+    source: hosted
     version: "1.0.1"
   plugin_platform_interface:
     dependency: transitive

example/pubspec.yaml

@@ -30,6 +30,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
+  #paystack_for_flutter: ^1.0.1
   paystack_for_flutter:
     path: ../
 

lib/src/paystack_flutter.dart

@@ -97,7 +97,7 @@ class PaystackFlutter {
           email: email,
           amount: amount,
           reference: reference,
-          showProgressBar: false,
+          showProgressBar: showProgressBar,
           confirmTransaction: confirmTransaction,
           paymentOptions: paymentOptions,
           currency: currency,