tree 8add352e98e6d90d3a9e5f0ab8515296f701b632
parent 27311616459b2f2acc56c594b570d7896560d637
author Patrick Williams <patrick@stwcx.xyz> 1732224116 -0500
committer Patrick Williams <patrick@stwcx.xyz> 1733384014 -0500

entry: add AdditionalData2

Support metadata as dict property "AdditionalData2".

Tested: Created a new event and ensured property is created.  Reloaded
the daemon with an old event and ensured property exists and is
populated.

```
.AdditionalData2                            property  a{ss}     8 "READING_VALUE" "98.6" "SENSOR_NAME" "Inlet Temperature" "THRESHOLD_VALUE" "40.0" "UNITS" "xyz.openbmc_project.Sensor.Value.Unit.DegreesC" "_CODE_FILE" "../log_create_main.cpp" "_CODE_FUNC" "int generate_event(const std::string&, const nlohmann::json_abi_v3_11_2::json&)" "_CODE_LINE" "34" "_PID" "2239596" emits-change writable
```

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I4f96370b9fb07664192e4fe09308cab170176213