Add Concurrent JS

Author: CrazyPython

index.html

@@ -63,7 +63,7 @@ <h3>Key</h3>
     <div class="inprogress"> Implementation is in progress</div>
     <div class="partial"> Partial support</div>
     <div class="none"> No support</div>
-    <div class="chrome inprogress"> Implementation in progrss in Google Chrome</div>
+    <div class="chrome inprogress"> Implementation in progress in Google Chrome</div>
     <div class="chrome"> Supported only by Google Chrome</div>
     <div class="proprietary"> Proprietary</div>
 </div>
@@ -264,6 +264,11 @@ <h3>Key</h3>
                     <dt>Nx</dt>
                     <dd>ES.Next <code>Intl</code> <code>WeakRef</code> <code>Atomics</code> <code>??</code> <code>||=</code></dd>
                 </td>
+                <td class="proposal">
+                    <time><a href="https://docs.google.com/presentation/d/1kqtsJfLVC-Nmcm2sveMRdJPjurwKKiiCGilK2_ladpw/edit?usp=gmail&gxids=7628#slide=id.p">2020</a></time>
+                    <dt>Co</dt>
+                    <dd>Concurrent JS</dd>
+                </td>
                 <td>
                 </td>
                 <td class="deprecated none">
@@ -414,6 +419,7 @@ <h3>Key</h3>
                     <dd>WebXR Augmented and Virtual Reality</dd>
                 </td>
                 <td class="inprogress">
+                    <a href="https://github.com/gpuweb/gpuweb/wiki/Implementation-Status"></a>
                     <time>2020</time>
                     <dt>Gpu</dt>
                     <dd><a href="https://gpuweb.github.io/gpuweb/">WebGPU</a></dd>