Add VS Code plugin

Author: schungx

index.html

@@ -79,7 +79,7 @@ <h1 class="space-lg">Embedded scripting language and engine for Rust</h1>
 
                 <h3 class="space-lg">Other resources</h3>
 
-                <p class="space-lg">
+                <p class="space-sm">
                     crates.io &ndash; <a href="https://crates.io/crates/rhai">https://crates.io/crates/rhai</a>
                 </p>
                 <p>
@@ -88,6 +88,9 @@ <h3 class="space-lg">Other resources</h3>
                 <p>
                     Reddit &ndash; <a href="https://www.reddit.com/r/Rhai">https://www.reddit.com/r/Rhai</a>
                 </p>
+                <p>
+                    <a href="https://marketplace.visualstudio.com/items?itemName=Aster.vscode-rhai">VS Code Plugin</a> &ndash; support <code>.rhai</code> script files for Visual Studio Code
+                </p>
             </main>
         </div>
     </body>