Update README: Add new project 'AFFiNE on K8s - End to End CI/CD Pipeline' and remove planning status for existing projects

Remove README files for Highly Available Redis Cluster and Outline on K8s

Update README files: Change project status to 'Planning' for Outline on K8s and Highly Available Redis Cluster

Update README: Add initial content for project 9

Fix: Rename Project Architecture

Update PolyglotPipeline-Architecture.gif: Replace with updated image file

Update README: Add horizontal rule for better section separation before Architecture

Update README: Standardize project titles and enhance Table of Contents structure

Update README: Reorganize Table of Contents and add section dividers for clarity

Update README: Add horizontal rules for better section separation and enhance structure

Update README: Add horizontal rules for better section separation

Update README: Remove duplicate Table of Contents header

Update README: Add Table of contents to project 6

Update README: Add missing Table of Contents for project 7

Add: codestar connection implementation