fix(typo): s/marcos/macros/ (#85)

Author: akesling

README.md

@@ -94,7 +94,7 @@ let quit_reason = server.waiting().await?;
 let quit_reason = server.cancel().await?;
 ```
 
-### Use marcos to declaring tool
+### Use macros to declaring tool
 
 Use `toolbox` and `tool` macros to create tool quickly.
 
@@ -191,4 +191,4 @@ See [examples](examples/README.md)
 
 ## Development with Dev Container
 
-See [docs/DEVCONTAINER.md](docs/DEVCONTAINER.md) for instructions on using Dev Container for development.
+See [docs/DEVCONTAINER.md](docs/DEVCONTAINER.md) for instructions on using Dev Container for development.