[DOCS] Add Recommended Flags for `op-node`

[cpengilly]

Brief Description of the Docs Request

We need useful/recommended flags for op-node.

Description of the Documentation You'd Like

We already have recommended flags for op-geth and would like to have the same developer education info for op-node

Links to Related Pages

recommended flags for op-geth - https://docs.optimism.io/builders/node-operators/configuration/base-config#recommended-flags-for-op-geth-configuration