docs[patch]: add memory migration guides to sidebar (#26711)

Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>

docs/sidebars.js

@@ -102,6 +102,18 @@ module.exports = {
             className: 'hidden',
           }],
         },
+        {
+          type: "category",
+          label: "Migrating from v0.0 memory",
+          link: {type: 'doc', id: 'versions/migrating_memory/index'},
+          collapsible: false,
+          collapsed: false,
+          items: [{
+            type: 'autogenerated',
+            dirName: 'versions/migrating_memory',
+            className: 'hidden',
+          }],
+        },
         "versions/release_policy",
       ],
     },