feature #122 Explain PayPal features in README (Zales0123)

This PR was merged into the 1.0-dev branch.

Discussion
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Commits
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249a40e Explain PayPal features in README

README.md

@@ -1,10 +1,36 @@
 <p align="center">
     <a href="https://sylius.com" target="_blank">
-        <img src="https://demo.sylius.com/assets/shop/img/logo.png" />
+        <img src="https://demo.sylius.com/assets/shop/img/logo.png" width="200"  />
     </a>
 </p>
+<br/>
+<p align="center">
+    <a href="">
+        <img src="https://www.paypalobjects.com/webstatic/mktg/Logo/pp-logo-200px.png" width="200" />
+    </a>
+</p>
+
+# PayPal Plugin
+
+Sylius Core Team’s plugin for [PayPal Commerce Platform](https://www.paypal.com/uk/business/platforms-and-marketplaces) - the newest and most advanced of PayPal solutions.
+
+#### Why should I use PayPal in my online business?
+
+* one of the most popular payment methods in the world;
+* worldwide network of 280+ millions consumers and 24+ millions merchants;
+* bank payouts are available in U.S., U.K., the E.U., Australia, and Canada;
+* PCI DSS and 3DS 2.0 compliance
+* full risk management, incl. customisable fraud tools & insight and dispute resolution via dynamic APIs.
+
+#### What does this plugin give me?
 
-<h1 align="center">PayPal Plugin</h1>
+* official payment integration developed and maintained by the Sylius Core Team;
+* global support for over 100 currencies across 200+ markets;
+* two-side operations between Sylius & PayPal administration panels (payments, refunds, reports, etc.);
+* better conversion thanks to direct checkout from both product & cart page;
+* support for all credit & debit cards;
+* popular regional payment methods, i.e. iDeal, SEPA, Sofort, eps, Griopay or Przelewy24;
+* direct PayPal transactions with PayPal wallet
 
 ## Installation