Implement CLI commands for type management

**Summary**: Create CLI commands to list, configure, and manage environment types within an azd project.

**Acceptance Criteria**:
- [ ] `azd env list-types` command to show available environment types
- [ ] `azd env show-type ` command to display type configuration
- [ ] `azd env set-type ` command to change environment type
- [ ] Environment type filtering options for environment listing
- [ ] Type-specific environment operations and management
- [ ] Comprehensive help and documentation for type commands