Change log for AZURE_GATEWAY

Date Changes
2023-12-22 Enhancement:
- Mapped "resourceid" to "target.resource.id".
- Mapped "properties.operationStatus" to "security_result.category_details".
- Mapped "properties.configuration.Name" to "principal.hostname".
- Mapped "properties.message" to "metadata.description".
- Mapped "properties.configuration.RemoteStie" to "target.hostname".
- Mapped "level" to "security_result.severity_details".
- Mapped "properties.configuration.Ikeversion" to "principal.resource.attribute.labels".
- Mapped "properties.configuration.LocalTunnelEndpoint" to "principal.ip".
- Mapped "properties.configuration.RemoteTunnelEndpoint" to "target.ip".
- Mapped "properties.configuration.LocalSubnets", "properties.configuration.RemoteSubnets", "properties.configuration.VirtualNetworkRanges", and "properties.configuration.VirtualNetworkSubnets" to "principal.resource.attribute.labels".
- Mapped "properties.configuration.VIPAddress" to "principal.ip".
- Mapped "properties.configuration.BgpConfiguration.GatewayConfig.PeerAddress" to "targrt.ip".
- Mapped "properties.configuration.BgpConfiguration.GatewayConfig.PeerType" and "properties.configuration.BgpConfiguration.GatewayConfig.Asn" to "security_result.detection_fields".
2023-11-16 - Newly created parser.