readme update for privacy

Author: Resul Avan

README.md

@@ -76,7 +76,10 @@ See the [Features](#features) for more functionalities
     - [x] lightbox with buefy/bulma
     - [x] hover button on profile photo
     - [x] square/round background image
-- [x] Make a profile public/private for other authenticated users
+- [x] privacy
+    - [x] Account Privacy: Make a profile public/private for other authenticated users
+    - [x] Followers Privacy: Even if authenticated users cannot see the followers
+    - [x] Following Privacy: Even if authenticated users cannot see the following
 - [x] custom error page - simple
 - [x] global notification
 - [x] toaster notification