Add documentation on build-dependencies for protoc-rust
@@ -14,5 +14,12 @@ protoc_rust::run(protoc_rust::Args {
}).expect("protoc");
```
+And in `Cargo.toml`:
+
+```
+[build-dependencies]
+protoc-rust = "1.4.1"
+```
+
Note this API requires `protoc` command present in `$PATH`.
Although `protoc-gen-rust` command is not needed.
