GraphDB, Historian and SparkplugB support

[mkashwin]

Supports listeners which create the Unified namespace by

• merging all messages to the same topic into a graphdb which can be later queried
• persist all messages to a historian
• translate all sparkPlugB messages from protobuf messages to JSON message
• map messages in the sparkplugB namespace to the unified namespace

Limitations

• Sparkplug support for Dataset, templates not yet provided

---

This discussion was created from the release GraphDB, Historian and SparkplugB support.