docs: Update README.md with improved CLI documentation and internal doc clarifications

Clarify synergy between mcp-ssh and mcp-ssh-manager in README.md

Add Philosophy section about AI-safe Zero Trust and TPM in README.md

Clarify role as mcp-ssh support tool and add repository link in README.md

Fix typo: 'トワーク内' to 'ネットワーク内' in README.md

Add TPM hardware identity and Zero Trust security concepts to README.md

Redact sensitive information from README.md and push remaining GUI components

Add core source files and initial GUI modules

Initialize repository and add basic configs for mcp-ssh-manager

Initial commit