feat: enhance scenario authoring and caching mechanisms, update action submission terminology, and improve reward configuration for CyberSecurity_OWASP environment

feat: update training configuration and documentation for Modal execution, including new model integration and enhanced tracking utilities

feat: implement RL environment server with training infrastructure and Modal integration

feat: implement core RL training infrastructure and architecture documentation

docs: add initial project brief and architecture documentation for CyberSecurity_OWASP environment