message: doc: update reduce-memory.md peer connections info
diff: @@ -24,9 +24,13 @@ The size of some in-memory caches can be reduced. As caches trade off memory usa
  ## Number of peers
  -- `-maxconnections=<n>` - the maximum number of connections, this defaults to 125. Each active connection takes up some
  - memory. This option applies only if incoming connections are enabled, otherwise the number of connections will never
  - be more than 10. Of the 10 outbound peers, there can be 8 full-relay connections and 2 block-relay-only ones.
  +- `-maxconnections=<n>` - the maximum number of connections, which defaults to 125. Each active connection takes up some
  + memory. This option applies only if inbound connections are enabled; otherwise, the number of connections will not
  + be more than 11. Of the 11 outbound peers, there can be 8 full-relay connections, 2 block-relay-only ones,
  + and occasionally 1 short-lived feeler or extra outbound block-relay-only connection.
  +
  +- These limits do not apply to connections added manually with the `-addnode` configuration option or
  + the `addnode` RPC, which have a separate limit of 8 connections.
  ## Thread configuration
  