docs: fix badge version image in README

Author: WofWca

README.md

@@ -1,7 +1,7 @@
 # yerpc
 
 [![docs.rs](https://img.shields.io/badge/docs.rs-documentation-green.svg)](https://docs.rs/yerpc)
-[![Crates.io](https://img.shields.io/crates/v/typescript-type-def.svg)](https://crates.io/crates/yerpc)
+[![Crates.io](https://img.shields.io/crates/v/yerpc.svg)](https://crates.io/crates/yerpc)
 
 A JSON-RPC 2.0 server handler for Rust, with automatic generation of a TypeScript client.