Fixes#40650Fixes#40245Fixes#41541
* Refactor netconf_config module as per proposal #104
* Update netconf_config module metadata to core network supported
* Refactor local connection to use persistent connection framework
for backward compatibility
* Update netconf connection plugin configuration varaibles (Fixes#40245)
* Add support for optional lock feature to Fixes#41541
* Add integration test for netconf_config module
* Documentation update
* Move deprecated options in netconf_config module
* Create netconf_config.py
To support new attribute 'src' for the netconf_config module.
Cross-check with #24323
* Update netconf_config.py
* Update netconf_config.py