mix phx.new tabela

def deps do
  [
      {:phoenix_live_view, github: "phoenixframework/phoenix_live_view"}
        
  ]
  end

generate secret token

mix phx.gen.secret 32

add token to config

# config/config.exs

config :my_app, MyAppWeb.Endpoint,
   live_view: [
        signing_salt: "SECRET_SALT"
           
   ]