feat: add tracing

README.md

@@ -33,9 +33,21 @@ Current contribution workflow is:
 ## Maintainance
 
 **Versioning:**
+
 TODO; explain versioning
 
 **Check for unused dependencies:**
+
+Requirement: Needs `cargo install cargo-udeps --locked`
+
 ```sh
 cargo +nightly udeps --all-targets
 ```
+
+**Test with tracing output:**
+
+Requirement: Needs `cargo install bunyan`
+
+```sh
+TEST_LOG=true cargo test | bunyan
+```