[serde generate] rust: add RustEmitter to make code more readable
[serde generate] rust: add RustEmitter to make code more readable

novifinancial/serde-reflection,novifinancial/serde-reflection,novifinancial/serde-reflection,novifinancial/serde-reflection,novifinancial/serde-reflection,novifinancial/serde-reflection,novifinancial/serde-reflection,novifinancial/serde-reflection,novifinancial/serde-reflection