feat(examples): added pesa demo example

examples/pesa-demo/.env

@@ -0,0 +1,4 @@
+USERNAME=sandbox
+PUBLICKEY=
+AUTHURL=
+APIKEY=

examples/pesa-demo/.gitignore

@@ -0,0 +1,9 @@
+build
+composer.lock
+docs
+vendor
+coverage
+
+.idea
+/examples/http-client.private.env.json
+/examples/my-simple.php

examples/pesa-demo/composer.json

@@ -0,0 +1,16 @@
+{
+    "name": "openpesa/pesa-demo",
+    "description": "Simple SDK usage",
+    "type": "project",
+    "require": {
+        "php": ">=7.1",
+        "openpesa/pesa": "dev-develop"
+    },
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Alpha Olomi",
+            "email": "alphaolomi@gmail.com"
+        }
+    ]
+}

examples/pesa-demo/index.php

@@ -0,0 +1,46 @@
+<?php
+require 'vendor/autoload.php';
+
+use Openpesa\SDK\Forodha;
+use GuzzleHttp\Client;
+
+$username = 'sandbox';
+$publicKey = 'MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEArv9yxA69XQKBo24BaF/D+fvlqmGdYjqLQ5WtNBb5tquqGvAvG3WMFETVUSow/LizQalxj2ElMVrUmzu5mGGkxK08bWEXF7a1DEvtVJs6nppIlFJc2SnrU14AOrIrB28ogm58JjAl5BOQawOXD5dfSk7MaAA82pVHoIqEu0FxA8BOKU+RGTihRU+ptw1j4bsAJYiPbSX6i71gfPvwHPYamM0bfI4CmlsUUR3KvCG24rB6FNPcRBhM3jDuv8ae2kC33w9hEq8qNB55uw51vK7hyXoAa+U7IqP1y6nBdlN25gkxEA8yrsl1678cspeXr+3ciRyqoRgj9RD/ONbJhhxFvt1cLBh+qwK2eqISfBb06eRnNeC71oBokDm3zyCnkOtMDGl7IvnMfZfEPFCfg5QgJVk1msPpRvQxmEsrX9MQRyFVzgy2CWNIb7c+jPapyrNwoUbANlN8adU1m6yOuoX7F49x+OjiG2se0EJ6nafeKUXw/+hiJZvELUYgzKUtMAZVTNZfT8jjb58j8GVtuS+6TM2AutbejaCV84ZK58E2CRJqhmjQibEUO6KPdD7oTlEkFy52Y1uOOBXgYpqMzufNPmfdqqqSM4dU70PO8ogyKGiLAIxCetMjjm6FCMEA3Kc8K0Ig7/XtFm9By6VxTJK1Mg36TlHaZKP6VzVLXMtesJECAwEAAQ==';
+$authUrl = 'https://openapi.m-pesa.com/sandbox/ipg/v2/vodacomTZN/getSession/';
+$apiKey =  '';
+
+
+$client = new Client([
+    'timeout'  => 300,
+    'headers' => [
+        'Accept' => 'application/json',
+        'Origin' => '*'
+    ]
+]);
+
+$forodha = new Forodha([
+    'api_key' => $apiKey,
+    'public_key' => $publicKey,
+    'username' => $username,
+    'auth_url' => $authUrl,
+], $client);
+
+
+$data = [
+    'input_Amount' => 5000,
+    'input_CustomerMSISDN' => '000000000001',
+    'input_Country' => 'TZN',
+    'input_Currency' => 'TZS',
+    'input_ServiceProviderCode' => '000000',
+    'input_TransactionReference' => 'T12344Z',    
+    'input_ThirdPartyConversationID' => '1e9b774d1da34af78412a498cbc28f5d',
+    'input_PurchasedItemsDesc' => 'Test Three Item'
+];
+
+
+try {
+    $result = $forodha->transact('c2b', $data);
+    print_r($result);
+} catch (\Throwable $th) {
+    echo $th->getMessage();
+}