Update central node and subarray node to support the addition of the LFAA master and subarray leaf nodes

Central node is able to communicate with the LFAA Master Leaf Node and command it using the startup and standby commands, monitoring the responses. The commands shall be initiated from a webjive UI. SubArray node is able to communicate with the LFAA SubArray Leaf Node and command it using the AssignResource, Configure and Scan commands, monitoring the responses. The commands shall be initiated from a Webjive UI, but also capable of being received from the OET in the future.

TMC central and subarray nodes updated to include the obs related commands for MCCS. Code integrated into SKAMPI https://gitlab.com/ska-telescope/tmc-prototype/-/merge_requests/113 is the latest approved Merge Request at the time of releasing this feature The detailed view of the outcomes of this Feature through the related stories, testing and MR is as under Note: JSON input strings used for commands are as per Confluence Page https://confluence.skatelescope.org/display/SWSI/JSON+Strings+for+MVP-Low+for+PI8 and interface with MCCS is aligned with the TMC-MCCS sequence diagram https://confluence.skatelescope.org/display/SE/WIP%3A+Sequence+Diagram+TMC+-+MCCS AT1-639: Define new package for CentralNode_low in existing TMC Prototype Created new package for SubarrayNode_Low in existing TMC prototype. AT1-631: Implement StartUpTelescope and StandByTelescope command on CentralNode for TMC low Implemented StartupTelescope and StandByTelescope command and added unit test cases for positive and negative scenarios. AT1-633: Implement AssignResources command on CentralNode for TMC low Implemented AssignResource command with agreed JSON strings as an input (As per confluence page) and added unit test cases for positive and negative scenarios. AT1-634: Implement ReleaseResources command on Central Node for TMC low Implemented ReleaseResource command with agreed json string as input (As per confluence page) and added unit test cases for positive and negative scenarios AT1-636: Health Aggregation Logic updates on CentralNode for TMC low Added health Aggregation Logic on Central Node https://gitlab.com/ska-telescope/tmc-prototype/-/merge_requests/112 AT1-638: Define new package for SubarrayNode_low in existing TMC Prototype Created new package for SubarrayNode_Low in existing TMC prototype. https://gitlab.com/ska-telescope/tmc-prototype/-/merge_requests/113 AT1-641: Health Aggregation Logic updates on SubarrayNode for TMC low Added health Aggregation Logic on SubarrayNodeLow. https://gitlab.com/ska-telescope/tmc-prototype/-/merge_requests/113 AT1-643: Implement ON and OFF command on Subarray for TMC low Implemented On and Off command on SubarrayNodeLow Added test cases for positive and negative scenarios. https://gitlab.com/ska-telescope/tmc-prototype/-/merge_requests/113 AT1-646: Implement Configure command on SubarrayNode for TMC low Implemented Configure command on SubarrayNodeLow Added test cases for positive and negative scenarios. https://gitlab.com/ska-telescope/tmc-prototype/-/merge_requests/113 AT1-647: Implement Scan command on SubarrayNode for TMC low Implemented Scan command on SubarrayNodeLow Added test cases for positive and negative scenarios. https://gitlab.com/ska-telescope/tmc-prototype/-/merge_requests/113 AT1-648: Implement EndScan command on SubarrayNode for TMC low Implemented EndScan command on SubarrayNodeLow Added test cases for positive and negative scenarios. https://gitlab.com/ska-telescope/tmc-prototype/-/merge_requests/113 AT1-649: Implement End command on SubarrayNode for TMC low Implemented End command on SubarrayNodeLow Added test cases for positive and negative scenarios. https://gitlab.com/ska-telescope/tmc-prototype/-/merge_requests/113 AT1-645: Implement AssignResources command on SubarrayNode for TMC low Implemented AssignResources command on SubarrayNodeLow Added test cases for positive and negative scenarios. https://gitlab.com/ska-telescope/tmc-prototype/-/merge_requests/113 AT1-650: Implement ReleaseResources command on SubarrayNode for TMC low Implemented ReleaseResources command on SubarrayNodeLow Added test cases for positive and negative scenarios. https://gitlab.com/ska-telescope/tmc-prototype/-/merge_requests/113