Add SmartModule config to connector top level configuration file

[morenol]

Adds a smartmodule top level config:

...
smartmodule: # optional
  name: some-name # required
  type: aggregate # optional (valid values: filter, map, filter_map, aggregate, array_map)
  aggregate_initial_value: 1 # optional
  parameters: # optional
    key: value
    foo: bar
...

Also changed struct name from ManageConnectorParameterValue to ManagedConnectorParameterValue

Closes #2471 Closes #2455

[sehz]

Can you create issue for this?

[github-actions[bot]]

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