Make SO_REUSEADDR the default for TCP sockets

imports.md

@@ -1190,6 +1190,10 @@ implicitly bind the socket.</p>
 <li><code>not-in-progress</code>:           A <code>bind</code> operation is not in progress.</li>
 <li><code>would-block</code>:               Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN)</li>
 </ul>
+<h1>Implementors note</h1>
+<p>When binding to a non-zero port, this bind operation shouldn't be affected by the TIME_WAIT
+state of a recently closed socket on the same local address (i.e. the SO_REUSEADDR socket
+option should be set implicitly on platforms that require it).</p>
 <h1>References</h1>
 <ul>
 <li><a href="https://pubs.opengroup.org/onlinepubs/9699919799/functions/bind.html">https://pubs.opengroup.org/onlinepubs/9699919799/functions/bind.html</a></li>

wit/tcp.wit

@@ -42,6 +42,11 @@ interface tcp {
         /// - `address-not-bindable`:      `local-address` is not an address that the `network` can bind to. (EADDRNOTAVAIL)
         /// - `not-in-progress`:           A `bind` operation is not in progress.
         /// - `would-block`:               Can't finish the operation, it is still in progress. (EWOULDBLOCK, EAGAIN)
+        /// 
+        /// # Implementors note
+        /// When binding to a non-zero port, this bind operation shouldn't be affected by the TIME_WAIT
+        /// state of a recently closed socket on the same local address (i.e. the SO_REUSEADDR socket
+        /// option should be set implicitly on platforms that require it).
         ///
         /// # References
         /// - <https://pubs.opengroup.org/onlinepubs/9699919799/functions/bind.html>