chore: update serverConfig listen_ipv4 and listen_ipv6 fields to enab…

…le/disable IP versions

config.yml

@@ -4,6 +4,8 @@ skip_migrations: false # whether to intentionally not run database migrations, o
 enable_pprof: false # whether to expose pprof (https://pkg.go.dev/runtime/pprof) profiling data as an endpoint for debugging
 
 server:
+    listen_ipv4: 127.0.0.1 # set to '-' to disable ipv4
+    listen_ipv6: ::1 # set to '-' to disable ipv6
     base_path: /
     public_url: waka.hackclub.com # required for links (e.g. password reset) in e-mail