Add example

Signed-off-by: kielosz <kielosz@gmail.com>

.changeset/spicy-forks-return.md

@@ -2,4 +2,25 @@
 '@backstage/plugin-org': patch
 ---
 
-Added the ability to use an additional `filter` when fetching groups in `MyGroupsSidebarItem` component
+Added the ability to use an additional `filter` when fetching groups in `MyGroupsSidebarItem` component. Example:
+
+```diff
+// app/src/components/Root/Root.tsx
+<SidebarPage>
+    <Sidebar>
+      //...
+      <SidebarGroup label="Menu" icon={<MenuIcon />}>
+        {/* Global nav, not org-specific */}
+        //...
+        <SidebarItem icon={HomeIcon} to="catalog" text="Home" />
+        <MyGroupsSidebarItem
+          singularTitle="My Squad"
+          pluralTitle="My Squads"
+          icon={GroupIcon}
++         filter={{ 'spec.type': 'team' }}
+        />
+       //...
+      </SidebarGroup>
+    </ Sidebar>
+</SidebarPage>
+```