message: Fix examples URI
diff: //!
  //!
  //! [wasm]: https://webassembly.org/
  -//! [wasmer-examples]: https://github.com/wasmerio/wasmer/tree/master/exmples
  +//! [wasmer-examples]: https://github.com/wasmerio/wasmer/tree/master/examples
  //! [wasmer-cache]: https://docs.rs/wasmer-cache/*/wasmer_cache/
  //! [wasmer-compiler]: https://docs.rs/wasmer-compiler/*/wasmer_compiler/
  //! [wasmer-cranelift]: https://docs.rs/wasmer-cranelift/*/wasmer_cranelift/
  