Add matrix link

src/components/HomepageFeatures/index.js

@@ -34,12 +34,12 @@ const FeatureList = [
     ),
   },
   {
-    title: 'Pixelfed',
-    link: 'https://pixelfed.social/estevez',
-    Svg: require('@site/static/icons/pixelfed.svg').default,
+    title: 'Matrix',
+    link: 'https://matrix.to/#/@yehor:vi.place',
+    Svg: require('@site/static/icons/matrix.svg').default,
     description: (
       <>
-        My photos
+        If you want to chat (with end-to-end encryption)
       </>
     ),
   },