Add p5.js Editor Open Call to homepage

Author: Qianqianye

src/templates/pages/index.hbs

@@ -18,7 +18,7 @@ slug: /
       <p style="margin-top:1em">{{#i18n "p1x1"}}{{/i18n}}</p>
       <p>{{#i18n "p1x2"}}{{/i18n}}</p>
       {{!-- <p><a href="https://discord.gg/SHQ8dH25r9">Join the p5.js Discord!</a></p> --}}
-      <p><a href="https://www.eventbrite.com/e/p5js-access-day-tickets-328624935027">Join us for p5.js Access Day on May 21, 2022!</a></p>
+      <p><a href="https://medium.com/processing-foundation/open-call-p5-js-editor-lead-fellowship-1c050efa4cb5">p5.js Editor Lead Fellowship Open Call - Due June 10</a></p>
       <a href="https://editor.p5js.org"><span class='button_box'>{{#i18n "start-creating"}}{{/i18n}}</span></a>
 
       <h2>{{#i18n "p2xh2"}}{{/i18n}}</h2>