Merge pull request duino-coin#1849 from pastel137/gh-pages

Added a note about cpu frequency selection.

Author: revoxhere

getting-started.html

@@ -1003,6 +1003,10 @@
                                         <i class="fa fa-info-circle"></i>
                                         If you have an ESP8266-01, -12, or other module without a USB connector, you'll need to <a href="https://www.instructables.com/ESP-01-Module-Programming-Board/" target="_blank">use a programmer to upload the code</a>.
                                     </div>
+                                    <div class="notification has-text-info">
+                                        <i class="fa fa-info-circle"></i>
+                                         To maximize performance, set the 'CPU Frequency' option to 160 MHz (Tools -> CPU Frequency -> 160 MHz). This will result in optimal (not clocked-down) mining speed that will yield optimal earnings. 
+                                    </div>
                                 </div>
                                 <div class="column">
                                     <img src="/assets/images/esp8266_upload.gif" loading="lazy">