Updates release notes for v2 beta4
RedELK release notes
+### version 2.0.0 BETA4
+* Many bug fixes
+* Migrated background enrichment and alarm scripts to new modular setup
+* Added support for Cobalt Strike 4.2 and 4.3
+* Added sample data ingestor when running in dev mode
+* Made sure Kibana searches Red Team Operations and Redirector Traffic are presented on top of list
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### version 2.0.0 BETA3
* Dockerized the installation on the elkserver components
* Enabled X-pack on ELK stack
