Fix link in CONTRIBUTING.md
Link target was moved in
@@ -25,7 +25,7 @@ please open a ticket and we will work it out together.
## Contributing code changes
Before working on code it is suggested that you read the
-[docs/architecture.md](docs/architecture.md) file.
+[docs/compiler/README.md](docs/compiler/README.md) file.
It outlines fundamental components and design of this project.
Code changes to Gleam are welcomed via the process below.
