Update version to 0.1.2 and enhance config parse

- Updated version number to 0.1.2 in relevant files.
- Improved command parsing logic in `ServerConfigParser` to handle paths with spaces more effectively using `shlex.split()`.
- Added comprehensive security testing scripts to validate command parsing against injection attacks.
- Introduced a new `SECURITY.md` file detailing the security analysis and testing results.
- Updated `CHANGELOG.md` to reflect the new version and changes made.

Enhance CLI interface, version v0.1.1

- Added support for environment variables with `--from-env` and `--env` options in `add` and `add-all` commands.
- Introduced a new `mcp help` command as an alias for `mcp --help`.
- Implemented global verbose mode via `MCP_COMMANDER_VERBOSE` environment variable.
- Replaced Black, isort, and flake8 with Ruff for unified linting and formatting, improving code quality and build speed.
- Enhanced type annotations and improved error handling for environment variable parsing.
- Updated README and CHANGELOG to reflect new features and usage examples.

First Release