Change log for WINDOWS_NET_POLICY_SERVER

Date Changes
2024-12-26 - Added support for JSON logs.
2024-12-05 - Added a new Grok pattern to extract src_ip and mapped it to principal.ip and principal.asset.ip.
2024-03-27 - Added a check for calling_station_id, device-mac and mac_address.
- If nas_port is not in the range 1 and 65535, then mapped nas_port to target.resource.attribute.labels.
2022-11-21 - Mapped event_source to target.application
- added new grok pattern to parse the data
- Mapped called-station_Id/macaddress to target.mac
- Mapped calling-station-Id/macaddress to principal.mac