To add your own configuration for PleromaFE, use it like this:
-`config :pleroma, :frontend_configurations, :pleroma_fe: %{redirectRootNoLogin: "/main/all", ...}`
+`config :pleroma, :frontend_configurations, pleroma_fe: %{redirectRootNoLogin: "/main/all", ...}`
These settings need to be complete, they will override the defaults. See `priv/static/static/config.json` for the available keys.