Chore/tmosley/update development

[tmosleyIII]

This pull request introduces comprehensive documentation improvements and project onboarding materials for the Obsrvr documentation website. The main focus is on establishing foundational documentation for the Flow platform, providing clear architectural guidance, and summarizing the work completed in Phase 1 of the documentation update. The changes include new high-level onboarding guides, detailed conceptual documentation, and organized overviews for both processors and consumers.

New Project Onboarding and Guidance:

• Added CLAUDE.md to provide an overview of the project, essential commands, architecture, development workflow, deployment process, and key context for contributors and AI code assistants.

Phase 1 Documentation Summary:

• Added PHASE_1_SUMMARY.md to outline the completed tasks, directory structure, documentation gaps, recommendations for next steps, and success metrics for the first phase of the documentation update.

Flow Platform Documentation:

• Added docs/flow/concepts/pipelines.md with a comprehensive explanation of Flow pipelines, including architecture, configuration, lifecycle, performance characteristics, monitoring, error handling, best practices, and security considerations.

Consumers Documentation:

• Added docs/flow/consumers/index.md to provide an overview of available consumers, their use cases, configuration options, performance optimization tips, security considerations, and best practices.