Move optional chaining and nullish coalescing operators to native syntax section

Author: koddsson

docs/index.html

@@ -720,7 +720,6 @@ <h1>GitHub Feature Support Table</h1>
             <td data-supported="true"><div>53+</div></td>
             <td data-supported="true"><div>9.0+</div></td>
           </tr>
-          <tr data-transpiled><th></th><th colspan="7"><h3>Transpiled Native Syntax</h3></th></tr>
           <tr>
             <th>
               <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Optional_chaining">
@@ -749,6 +748,7 @@ <h1>GitHub Feature Support Table</h1>
             <td data-supported="true"><div>67+</div></td>
             <td data-supported="true"><div>13.0+</div></td>
           </tr>
+          <tr data-transpiled><th></th><th colspan="7"><h3>Transpiled Native Syntax</h3></th></tr>
           <tr>
             <th>
               <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Logical_nullish_assignment">