[How can I having a baby villagers ? And how can I TPA to my friend]

You can give villagers bread to breed

Also on the minehut page you can do Op (Your name) on the server command

[I can't change my server settings]

Whenever I try to change my server settings(Flying, Command blocks, etc...) It says that the setting has changed, but when I try to use them on the server it says that they are disabled.