Auto-detect SSH public key type instead of hardcoding id_rsa.pub

Add .gitignore for macOS and Claude Code files

File: SandboxedClaudeCode/bubblewrap_claude.sh

added support for accessing gh credentials

Claude Code stores its configuration in two separate locations:

Updated README to address GPG issues.

Fix GPG signing: bind full .gnupg directory and socket dir

Added capabilities for gaining access to the SSH Agent using SSH_Auth_Sock. Added capability for accessing the GPG public signing key. Added capability for access to the public ssh key that's relevant for signing prompts.

Update diagram in README for container isolation

Fix formatting issues in README.md

Initial commit: Sandboxed Claude Code implementations