Add zod (#1271)

Author: iamnivekx

readme.md

@@ -556,6 +556,7 @@
 - [ajv](https://github.com/ajv-validator/ajv) - The fastest JSON Schema validator. Supports v5, v6 and v7 proposals.
 - [Superstruct](https://github.com/ianstormtaylor/superstruct) - Simple and composable way to validate data in JavaScript (and TypeScript).
 - [yup](https://github.com/jquense/yup) - Object schema validation.
+- [zod](https://github.com/colinhacks/zod) - TypeScript-first schema validation with static type inference.
 
 ### Parsing