✨ Add configurable rules directory support

- Add rules configuration option to ClientConfig
- Support custom rules file paths via config and CLI
- Add --rules-dir option to init command
- Update Rules struct to accept custom file paths
- Add helper functions for rules path resolution
- Fix doc comment formatting issues
- Add integration tests for custom rules paths

src/cli/rules_cli.rs

@@ -342,6 +342,7 @@ impl RulesCli {
 /// - **Rules CLI**: To load rules before configuration or execution
 /// - **Main CLI**: For default rule execution when no subcommand is specified
 /// - **Validation systems**: To verify rule configuration integrity
+///
 /// Loads rules from the default location.
 pub fn get_rules() -> Result<Rules> {
     get_rules_from(None)