Add another r/ thread

Author: vinniefalco

r/wg21/index.html

@@ -17,6 +17,26 @@ <h1>r/wg21</h1>
   <div class="content-layout">
     <main class="post-list">
 
+<div class="post-card" data-document="P2300R10" data-paper="P2300">
+  <div class="post-votebar">
+    <span class="arrow up">&#9650;</span>
+    <span class="post-score">1247</span>
+    <span class="arrow down">&#9660;</span>
+  </div>
+  <div class="post-content">
+    <div class="post-title">
+      <a href="p2300r10-reddit.html">P2300R10 &ndash; std::execution</a>
+      <span class="flair">WG21</span>
+    </div>
+    <div class="post-meta">
+      Posted by u/standards_watcher_2024 &middot; 97 comments
+    </div>
+    <div class="post-summary">
+      After fourteen years, ten revisions, multiple design pivots, and at least one vote that failed to reach consensus, P2300R10 proposes the standard async execution framework C++ has been waiting for&mdash;or dreading, depending on who you ask.
+    </div>
+  </div>
+</div>
+
 <div class="post-card" data-document="P4020R0" data-paper="P4020">
   <div class="post-votebar">
     <span class="arrow up">&#9650;</span>