docs(docs): refresh Timonel wiki
fix(doc): updating references
feat(doc): update documentation
docs: update wiki for umbrella synth modes
feature(docs) updating references and CLI
docs: add package.json to all umbrella chart examples
docs: add comprehensive umbrella charts guide with cdk8s-plus-33 - Add How-to-Umbrella-Charts-with-cdk8s-plus-33.md with complete guide - Add Examples-Umbrella-Charts.md with practical examples - Update README.md with new documentation links - Include mixed architecture examples (cdk8s-plus-33 + manifests) - Cover production-ready patterns and best practices - Document all commands, package.json, and troubleshooting