Move Windows dependency note to the top of Notes (#1170)

https://users.rust-lang.org/t/no-entry-on-rust-lang-web-site-about-msvs-builds-tools-and-windows-sdk/45263

Author: notriddle

templates/tools/install.hbs

@@ -32,16 +32,17 @@
         {{/fluent}}
       </p>
 
+      <div class="platform-specific win dn">
+        <h3>{{fluent "install-notes-windows-heading"}}</h3>
+        {{fluent "install-notes-windows-description"}}
+      </div>
+
       <h3>{{fluent "install-notes-rustup-heading"}}</h3>
       {{fluent "install-notes-rustup-description"}}
 
       <h3>{{fluent "install-notes-path-heading"}}</h3>
       {{fluent "install-notes-path-description"}}
     </div>
-    <div class="platform-specific win dn">
-      <h3>{{fluent "install-notes-windows-heading"}}</h3>
-      {{fluent "install-notes-windows-description"}}
-    </div>
   </div>
 </section>