update README and config samples to include URL parameter

README.md

@@ -1,4 +1,4 @@
-# WORK IN PROGRESS: BtcPay PHP Client (Do not use for production yet!)
+# BtcPay PHP Client
 [![GitHub license](https://img.shields.io/badge/license-MIT-blue.svg?style=flat-square)](https://raw.githubusercontent.com/btcpayserver/php-btcpay-client-v2/master/LICENSE)
 [![Packagist](https://img.shields.io/packagist/v/btcpayserver/sdk.svg?style=flat-square)](https://packagist.org/packages/btcpayserver/sdk)
 

examples/BitPay.config.json

@@ -3,6 +3,7 @@
         "Environment": "",
         "EnvConfig": {
             "Test": {
+                "Url": "",
                 "PrivateKeyPath": "",
                 "PrivateKeySecret": "",
                 "ApiTokens": {

examples/BitPay.config.yml

@@ -8,6 +8,7 @@ BitPayConfiguration:
                 merchant: null
                 payroll: null
         Prod:
+            Url: null
             PrivateKeyPath: null
             ApiTokens:
                 merchant: null

examples/ConfigGenerator.php

@@ -209,7 +209,7 @@ $config = [
         "Environment" => $env,
         "EnvConfig"   => [
             'Test' => [
-                "Url"              => $isProd ? null : $yourUrl,
+                "Url"              => $isProd ? null : $yourUrl."/",
                 "PrivateKeyPath"   => $isProd ? null : __DIR__."/".$privateKeyname,
                 "PrivateKeySecret" => $isProd ? null : $yourMasterPassword,
                 "ApiTokens"        => [
@@ -218,7 +218,7 @@ $config = [
                 ],
             ],
             'Prod' => [
-                "Url"              => $isProd ? $yourUrl : null,
+                "Url"              => $isProd ? $yourUrl."/" : null,
                 "PrivateKeyPath"   => $isProd ? __DIR__."/".$privateKeyname : null,
                 "PrivateKeySecret" => $isProd ? $yourMasterPassword : null,
                 "ApiTokens"        => [