[Neon Cyber] New Elastic integration neon_cyber for the Neon Cyber platform

[codypierce]

Proposed commit message

Changes made

• Initial package boilerplate
• Readme updated to spec
• Changelog updated to spec
• Event data stream for CEL processing from Neon events API
• Field definitions for events
• Pipeline processor definitions
• Sample log included for supported events
• Detections data stream for CEL processing from Neon detections API
• Field definitions for detections
• Sample log included for supported detections
• Pipeline, policy, and system tests for new data streams

Checklist

• I have reviewed tips for building integrations and this pull request is aligned with them.
• I have verified that all data streams collect metrics or logs.
• I have added an entry to my package's changelog.yml file.
• I have verified that Kibana version constraints are current according to guidelines.
• I have verified that any added dashboard complies with Kibana's Dashboard good practices

Author's Checklist

• [ ]

How to test this PR locally

1. Run pipeline and system tests

Related issues

• N/A

Screenshots

[cla-checker-service]

💚 CLA has been signed