update doc

Author: xdegenne

common/download.html

@@ -101,6 +101,10 @@
             <a href="#/release_notes/index.html">Release notes</a>
           </li>
           <li role="separator" class="divider"></li>
+          <li>
+            <a href="#/migration_guides/index.html">Migration Guides</a>
+          </li>
+          <li role="separator" class="divider"></li>
           <li>
             <a href="#/developer_guide/index.html">Contribution guide</a>
           </li>

common/features.html

@@ -101,6 +101,10 @@
             <a href="#/release_notes/index.html">Release notes</a>
           </li>
           <li role="separator" class="divider"></li>
+          <li>
+            <a href="#/migration_guides/index.html">Migration Guides</a>
+          </li>
+          <li role="separator" class="divider"></li>
           <li>
             <a href="#/developer_guide/index.html">Contribution guide</a>
           </li>

community/index.html

@@ -101,6 +101,10 @@
             <a href="#/release_notes/index.html">Release notes</a>
           </li>
           <li role="separator" class="divider"></li>
+          <li>
+            <a href="#/migration_guides/index.html">Migration Guides</a>
+          </li>
+          <li role="separator" class="divider"></li>
           <li>
             <a href="#/developer_guide/index.html">Contribution guide</a>
           </li>

index.html

@@ -101,6 +101,10 @@
             <a href="#/release_notes/index.html">Release notes</a>
           </li>
           <li role="separator" class="divider"></li>
+          <li>
+            <a href="#/migration_guides/index.html">Migration Guides</a>
+          </li>
+          <li role="separator" class="divider"></li>
           <li>
             <a href="#/developer_guide/index.html">Contribution guide</a>
           </li>