Added donation section

README.md

@@ -23,3 +23,21 @@ Single sign-on (SSO) is a property of access control of multiple related, yet in
  * Instagram - https://www.instagram.com/developer/authentication/
  * LinkedIn - https://docs.microsoft.com/en-us/linkedin/shared/authentication/authorization-code-flow?context=linkedin/context
  * Generic - Allow to define custom URLs
+
+# Donation
+<table border="0">
+ <tr>
+    <td align="center">
+    PayPal <br>
+       <img src="https://chart.googleapis.com/chart?chs=250x250&cht=qr&chl=https://www.paypal.com/donate?hosted_button_id=5KHYY5ZDTNDSY"> <br>
+       <a href="https://www.paypal.com/donate?hosted_button_id=5KHYY5ZDTNDSY">
+          <img src="https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif">
+       </a>
+    </td>
+    <td align="center">
+       Pix (Brazil) <br>
+       <img src="https://chart.googleapis.com/chart?chs=250x250&cht=qr&chl=00020126680014BR.GOV.BCB.PIX013628571c52-8b9b-416c-a18f-8e52460608810206Doa%C3%A7%C3%A3o5204000053039865802BR5923Edgard%20Lorraine%20Messias6009SAO%20PAULO61080540900062160512NU50UnEaVM0H63042A45"> <br>
+       28571c52-8b9b-416c-a18f-8e5246060881
+    </td>
+ </tr>
+</table>