Add 'about' to restricted list.

And correct pleromaFE config.

config/config.exs

@@ -137,8 +137,8 @@ config :pleroma, :fe,
   logo_mask: true,
   logo_margin: "0.1em",
   background: "/static/aurora_borealis.jpg",
-  redirect_root_no_login: "/~/main/all",
-  redirect_root_login: "/~/main/friends",
+  redirect_root_no_login: "/main/all",
+  redirect_root_login: "/main/friends",
   show_instance_panel: true,
   scope_options_enabled: false,
   formatting_options_enabled: false,
@@ -222,6 +222,7 @@ config :cors_plug,
 
 config :pleroma, Pleroma.User,
   restricted_nicknames: [
+    "about",
     "~",
     "main",
     "users",