Remove commented code and update attribute names in demo files

- Removed commented  script tag from CoCreate JS CDN in fetch.string.html
- Changed attribute name "render-key" to "render-as" in index.html and render.object.html
- Changed text from "render-key" to "render-as" in docs/index.html

Author: frankpagan

demo/fetch.string.html

@@ -44,7 +44,6 @@ <h1>Paste in your browser console</h1>
         </pre>
 
         <!-- CoCreate JS CDN -->
-        <!--<script src="../dist/CoCreate-render-key.js"></script>-->
         <script src="https://cdn.cocreate.app/latest/CoCreate.min.js"></script>
         <!-- <script src="https://cdn.cocreate.app/latest/CoCreate.min.js"></script> -->
     </body>

demo/index.html

@@ -54,7 +54,7 @@ <h3 value="{{render2.data.personal_info.email}}"></h3>
                     <div
                         class="template card"
                         render="render2.data.string_array"
-                        render-key="string">
+                        render-as="string">
                         string - template
                         <h3
                             name="test"

demo/render.object.html

@@ -20,13 +20,13 @@
         <div template="abc1">
             <!-- <div>{{data}}</div>
             <h1> {{document.collection}} {{document._id}}</h1> -->
-            <div class="template" render="" render-key="one">
+            <div class="template" render="" render-as="one">
                 <h5>{{one.key}}: {{one.value}}</h5>
             </div>
             <div
                 class="template"
                 render="data[0].current_org"
-                render-key="current_org"
+                render-as="current_org"
                 value="{{current_org}}">
                 <h3>{{current_org}}</h3>
             </div>

docs/index.html

@@ -222,7 +222,7 @@ <h4 class="margin-top:20px padding:5px_0px">
 	                &lt;h3 value=&quot;{{render2.data.personal_info.email}}&quot;&gt;&lt;/h3&gt;
 	            &lt;/div&gt;
 	            &lt;div class=&quot;template card &quot; 
-	                render=&quot;render2.data.string_array&quot; render-key=&quot;string_&quot;&gt;
+	                render=&quot;render2.data.string_array&quot; render-as=&quot;string_&quot;&gt;
 
 	                &lt;h3 name=&quot;test&quot; 
 	                    data-attribute=&quot;{{string_.--}}&quot; 
@@ -313,7 +313,7 @@ <h4>
                         <li
                             class="padding:15px_0px border-bottom:1px_solid_lightgrey">
                             <h4>
-                                <span>render-key</span>
+                                <span>render-as</span>
                                 <span class="cocreate-badge warning"
                                     >optional</span
                                 ><span class="cocreate-badge"