feat: add rustscript alias crate

Author: fffonion

README.md

@@ -1,6 +1,7 @@
 # RustScript
 
 [![pd-vm on crates.io](https://img.shields.io/crates/v/pd-vm.svg)](https://crates.io/crates/pd-vm)
+[![rustscript on crates.io](https://img.shields.io/crates/v/rustscript.svg)](https://crates.io/crates/rustscript)
 [![pd-host-function on crates.io](https://img.shields.io/crates/v/pd-host-function.svg)](https://crates.io/crates/pd-host-function)
 
 RustScript is the language, VM/compiler core, standard library, examples, bytecode/AOT tooling, wasm runtime support, and debugger-facing runtime contract for the RustScript family. Compatibility language frontends now live in source-plugin crates.
@@ -19,6 +20,7 @@ RustScript is the language, VM/compiler core, standard library, examples, byteco
 Consumers can refer to the VM crate from this repository:
 
 ```toml
+rustscript = "0.22.2"
 pd-vm = { git = "https://github.com/rustscript-lang/rustscript", package = "pd-vm" }
 pd-host-function = { git = "https://github.com/rustscript-lang/rustscript", package = "pd-host-function" }
 ```