Add conference 2025 announcement chip (#160)

Author: gtca

layouts/index.html

@@ -10,6 +10,7 @@
     <div id="wrapper">
       <div id="content">
         <div id="cover" class="mw-10">
+          {{ partial "main/chip" . }}
           {{ partial "main/cover" . }}
           {{ partial "main/packages" . }}
 

layouts/partials/main/chip.html

@@ -0,0 +1,7 @@
+<div id="chip-announcement" class="row w-90 align-middle">
+  <div class="event-chip">
+    <div class="event-date">November 17 - 19</div>
+    <div class="event-text">scverse conference 2025: save the date! <span class="arrow">→</span></div>
+    <a href="/conference2025"></a>
+  </div>
+</div>