Update README.md

Author: adirelf

README.md

@@ -8,6 +8,22 @@
 <img alt="GitHub issues" src="https://img.shields.io/github/issues/adirel/adirel.github.io">
 <img alt="GitHub code size in bytes" src="https://img.shields.io/github/languages/code-size/adirel/adirel.github.io">
 </div>
+## buy me a coffee ?
+<div id="donate-button-container">
+<div id="donate-button"></div>
+<script src="https://www.paypalobjects.com/donate/sdk/donate-sdk.js" charset="UTF-8"></script>
+<script>
+PayPal.Donation.Button({
+env:'production',
+hosted_button_id:'W7E635BZQND7U',
+image: {
+src:'https://www.paypalobjects.com/en_US/i/btn/btn_donate_SM.gif',
+alt:'Donate with PayPal button',
+title:'PayPal - The safer, easier way to pay online!',
+}
+}).render('#donate-button');
+</script>
+</div>
 
 ## Usage
 * Edit the `index.hml` file - Content & Expertise